DF - updates every 5 minutes (yes, during runtime... I think??) F - Normal SF - loads from server

F - tru/nuh Int - integer (e.x. 5 stepfathers) String - "Skibi Toilet Figma Rizler"

Watch a Video Tutorial

Android Rootless Roblox (MT Manager) How to Use:

Caution

Roblox is implementing anti-tamper measures on mobile. Proceed at your own risk.

1. Download a Roblox APK file from a trusted source.
2. Open MT Manager and navigate to the Roblox APK file.
3. Tap on the APK and select View. /assets >> main.1.com.roblox.client.obb and click on it then Archive Viewer.
4. Create a new folder named ClientSettings.
5. Place your ClientAppSettings.json file inside the ClientSettings folder. (You can use ChatGPT to help format JSON files for clarity if needed)
6. Tap on the back button (..) to exit the archive. It will prompt you to update the file main.1.com.roblox.client.obb—click OK.
7. Long-press the Roblox APK file, choose Sign File, and click OK with default settings.
8. Install the modified APK.

This process must be repeated whenever a new Roblox build is released, as the modifications will not carry over to new updates.

Rendering API

Metal

Important

MacOS Only

{
    "FFlagDebugGraphicsPreferMetal": "True"
}

Vulkan

Caution

Visual Bugs & Crashes

{
    "FFlagDebugGraphicsDisableDirect3D11": "True",
    "FFlagDebugGraphicsPreferVulkan": "True"
}

OpenGL

{
    "FFlagDebugGraphicsDisableDirect3D11": "True",
    "FFlagDebugGraphicsPreferOpenGL": "True"
}

Direct X 10

{
    "FFlagDebugGraphicsPreferD3D11FL10": "True"
}

Direct X 11

{
    "FFlagDebugGraphicsPreferD3D11": "True"
}

Lightning Technologies

Voxel Lighting (Phase 1)

{
    "DFFlagDebugRenderForceTechnologyVoxel": "True"
}

Shadowmap Lighting (Phase 2)

{
    "FFlagDebugForceFutureIsBrightPhase2": "True"
}

Future Lighting (Phase 3)

{
    "FFlagDebugForceFutureIsBrightPhase3": "True"
}

Graphical Settings

Increased Grass Motion & No Grass Motion

{
    "FIntGrassMovementReducedMotionFactor": 999
}

{
    "FIntGrassMovementReducedMotionFactor": 0
}

No Bloom/Clouds

@burgerboxer

{
    "FFlagRenderNoLowFrmBloom": "False"
}

Render Occlusion Culling

@CloneTrooper1019

{
    "DFFlagUseVisBugChecks": "True",
    "FFlagEnableVisBugChecks27": "True",
    "FFlagVisBugChecksThreadYield": "True",
    "FIntEnableVisBugChecksHundredthPercent27": "100"
}

Increased Particles on low graphics

@teeenoob

{
    "FFlagDebugDeterministicParticles" : "True"
}

Makes stuff slightly brighter

{
    "FFlagRenderFixFog": "True"
}

HyperThreading

{
    "FFlagDebugCheckRenderThreading": "True",
    "FFlagRenderDebugCheckThreading2": "True"
}

Maximum Threads

{
    "FIntRuntimeMaxNumOfThreads": "2400"
}

Minimum Threads

{
    "FIntTaskSchedulerThreadMin": "3"
}

Smoother Terrain

{
    "FFlagDebugRenderingSetDeterministic": "True"
}

Force Graphics Quality Level

{
    "FIntRomarkStartWithGraphicQualityLevel": "1"
}

Disable Player Shadows

{
    "FIntRenderShadowIntensity": "0"
}

Disable Shadows

{
    "DFIntCullFactorPixelThresholdShadowMapHighQuality": "2147483647",
    "DFIntCullFactorPixelThresholdShadowMapLowQuality": "2147483647"
}

Preserve rendering quality with display setting

{
    "DFFlagDisableDPIScale": "True"
}

Low Graphics Quality w/ Max Render Distance/FRM Quality Levels

Tip

1-6 Are low graphics, Above 6 are high graphics. Like the 1-21 graphics slider

{
    "DFIntDebugFRMQualityLevelOverride": "1"
}

FRM Levels

Low

1 = 3
2 = 2
3 = 6

High

4 = 7
5 = 11
6 = 14
7 = 15 
8 = 17
9 = 18
10 = 21

FRM 21 Graphics Quality Slider

{
    "FFlagCommitToGraphicsQualityFix": "True",
    "FFlagFixGraphicsQuality": "True"
}

Low Render Distance

Tip

View FRM Levels

{
    "DFIntDebugRestrictGCDistance": "1"
}

Limits light updates

{
    "FIntRenderLocalLightUpdatesMax": "8",
    "FIntRenderLocalLightUpdatesMin": "6"
}

Disables fade in and fade out animation every light update

{
    "FIntRenderLocalLightFadeInMs": "0"
}

Makes avatars shiny

Tip

Everything goes black on below <3

Note

DFIntDebugFRMQualityLevelOverride is there to set your graphics to 3 bars

Tip

You can change it to anything above 3

{
    "DFIntRenderClampRoughnessMax": "-640000000",
    "DFIntDebugFRMQualityLevelOverride": "6"
}

Disable PostFX

{
    "FFlagDisablePostFx": "True"
}

Pause Voxelizer/Disable Baked Shadows

{
    "DFFlagDebugPauseVoxelizer": "True"
}

Gray Sky

Important

Only applies to games with the default skybox

{
    "FFlagDebugSkyGray": "True"
}

Force LOD on Meshes

{
    "DFIntCSGLevelOfDetailSwitchingDistance": "0",
    "DFIntCSGLevelOfDetailSwitchingDistanceL12": "0",
    "DFIntCSGLevelOfDetailSwitchingDistanceL23": "0",
    "DFIntCSGLevelOfDetailSwitchingDistanceL34": "0"
}

Lighting Attenuation

{
    "FFlagNewLightAttenuation": "True"
}

Enable GPULightCulling

Tip

Combine with Lighting Attenuation for better vision

{
    "FFlagFastGPULightCulling3": "True"
}

Enable CPULightCulling

{
    "FFlagDebugForceFSMCPULightCulling": "True"
}

Frame Buffer

Tip

0 makes white screen 1-3 makes other players have laggy movement, 4 is stable has better performance than 10 and less input lag

{
    "DFIntMaxFrameBufferSize": "4"
}

Low Quallity Terrain Textures

Tip

4 for less quality 16, 32, 64 for higher quality

{
    "FIntTerrainArraySliceSize": "4"
}

Force Texture Quality

Tip

Set any value from 0-3

{
    "DFFlagTextureQualityOverrideEnabled": "True",
    "DFIntTextureQualityOverride": "3"
}

Lower Quality Textures

{
    "DFIntPerformanceControlTextureQualityBestUtility": "-1"
}

No avatar textures

{
    "DFIntTextureCompositorActiveJobs": "0"
}

Texture Manager

Tip

1-4 Blurry, 5-7 low quality also removes studs, 8 Removes almost everything

{
    "FIntDebugTextureManagerSkipMips": "-1"
}

Remove Grass

{
    "FIntFRMMinGrassDistance": "0",
    "FIntFRMMaxGrassDistance": "0",
    "FIntRenderGrassDetailStrands": "0",
}

Force MSAA

Important

Values: 0, 1, 2, 4, 8

Caution

Values over 4> will cause viewport bugs

{
    "FIntDebugForceMSAASamples": "4"
}

ShadowMap Bias

Important

Future & ShadowMap only

{
    "FIntRenderShadowmapBias": "75"
}

Limits number of animations being played

Tip

0 removes most player animations, 1-5 removes the walk animation after jumping

{
    "DFIntMaxActiveAnimationTracks": "0"
}

Quality of Life

Disable VC

Note

Setting this to True will not do anything

Tip

Use PlaceFilter for specific games, Use a new Bloxstrap build from GitHub Actions in Bloxstrap Repository to be able to use PlaceFilter

{
    "DFFlagVoiceChat4": "False"
}

5 Decimal Sensitivity Precision

{
    "FFlagFixSensitivityTextPrecision": "False"
}

Removes translated supported message on join

Note

"Roblox automatically translates supported languages in chat."

{
    "FFlagChatTranslationEnableSystemMessage": false
}

Allows you to customize which languages are available for the chat translation feature

Important

English cannot be removed.

@thefrenchguy4

{
    "FStringChatTranslationEnabledLocales": "es_es,fr_fr,pt_br,de_de,it_it,ja_jp,ko_kr,id_id,tr_tr,zh_cn,zh_tw,th_th,pl_pl,vi_vn,ru_ru,"
}

Remove long recommended section in homepage

{
    "FIntGameGridFlexFeedItemTileNumPerFeed": "0"
}

Disable Captures Keybind

{
    "FFlagEnableCapturesHotkeyExperiment_v4": "False"
}

Reduced Avatar Item Particle in FP

{
    "FFlagUserHideCharacterParticlesInFirstPerson": "True"
}

FPS Unlocker in Roblox Menu Settings

{
    "FFlagGameBasicSettingsFramerateCap5": "True",
    "DFIntTaskSchedulerTargetFps": "0"
}

Unlimited FPS Unlocker

{
    "FFlagTaskSchedulerLimitTargetFpsTo2402": "False",
    "DFIntTaskSchedulerTargetFps": "9999"
}

GUI Hiding Toggles

{
    "FFlagUserShowGuiHideToggles": "True",
    "GuiHidingApiSupport2": "True"
}

Hide guis

Important

Replace "ID" with any group ID that you are in.

Key combination	Action
Ctrl + Shift + B	Toggles GUIs in 3D space (BillboardGuis, SurfaceGuis, etc)
Ctrl + Shift + C	Toggles game-defined ScreenGuis
Ctrl + Shift + G	Toggles Roblox CoreGuis
Ctrl + Shift + N	Toggles player names, and other BillboardGuis that show up above a player

{
    "DFIntCanHideGuiGroupId": "ID"
}

Remove layared clothing related for searching in lua app catalog

{
    "FStringAXCategories": "ClassicShirts.ClassicTShirts.ClassicPants"
}

Disable Fullscreen Title Bar

{
    "FIntFullscreenTitleBarTriggerDelayMillis": "3600000"
}

Stuttery Animation Fix

{
    "DFIntTimestepArbiterThresholdCFLThou": "300"
}

Disable In-game Advertisements

{
    "FFlagAdServiceEnabled": "False"
}

Disable Telemetry

{
    "FFlagDebugDisableTelemetryEphemeralCounter": "True",
    "FFlagDebugDisableTelemetryEphemeralStat": "True",
    "FFlagDebugDisableTelemetryEventIngest": "True",
    "FFlagDebugDisableTelemetryPoint": "True",
    "FFlagDebugDisableTelemetryV2Counter": "True",
    "FFlagDebugDisableTelemetryV2Event": "True",
    "FFlagDebugDisableTelemetryV2Stat": "True"
}

Surf the web inside of Roblox

Important

Click the Beta badge or the 13+ badge to open the webview browser.

{
    "FFlagTopBarUseNewBadge": "True",
    "FStringTopBarBadgeLearnMoreLink": "https://google.com/",
    "FStringVoiceBetaBadgeLearnMoreLink": "https://google.com/"
}

MTU

Tip

Identify the Current MTU

• Windows: Open Command Prompt and type netsh interface ipv4 show subinterfaces.
• Linux: Use ifconfig or ip link show to find the current MTU of your network interface.

Tip

Determine the Optimal MTU

• Ping Test: Use the ping command with the -f flag (to avoid fragmentation) and the -l (or -s on Linux) flag to set the packet size.
• Example for Windows:

  ping roblox.com -f -l 1472

• Example for Linux:

  ping -s 1472 -M do roblox.com

• Start with a packet size of 1472 bytes, then reduce by 10-12 bytes if needed until you find the largest size that doesn't fragment. Add 28 bytes to this number to get the optimal MTU.

{
    "DFIntConnectionMTUSize": "MTU_HERE"
}

No Internet Disconnect

Note

You will still be kicked but the message wont show.

{
    "DFFlagDebugDisableTimeoutDisconnect": "True"
}

Adjust Default Timeout Time

Tip

1 second = 1000

@dis_spencer

{
    "DFIntDefaultTimeoutTimeMs": "10000"
}

Quick Game Launch

Caution

This can cause some bugs

{
    "FFlagEnableQuickGameLaunch": "True"
}

Increased Asset Preloading Count

Note

Increasing the maximum limit of preloaded assets from 100 to infinite allows games you've already played to load much faster by instantly accessing previously loaded assets.

Important

For this to be effective, the game must have been fully loaded at least once, preferably with the entire map cached.

Tip

If a game has a "Skip Loading" button, it's recommended to use it. These games typically include a countdown timer that, after reaching zero, merely confirms that all assets are loaded.

@spectroscopic

{
    "DFIntNumAssetsMaxToPreload": "9999999",
    "DFIntAssetPreloading": "9999999"
}

Disable In-Game Purchases

{
    "DFFlagOrder66": "True"
}

Disable Chat

{
    "FFlagDebugForceChatDisabled": "True"
}

Disable Dynamic Heads Animations

{
    "DFIntAnimationLodFacsDistanceMin": "0",
    "DFIntAnimationLodFacsDistanceMax": "0",
    "DFIntAnimationLodFacsVisibilityDenominator": "0"
}

Automatically unmutes your mic on join (VC)

{
    "FFlagDebugDefaultChannelStartMuted": "False"
}

opt-out Experience Language

Note

Removes the Experience Language option in settings

{
    "FIntV1MenuLanguageSelectionFeaturePerMillageRollout": "0"
}

Lets you change the zoom out limit

Important

Only applies to games that has not changed the default zoom limit

{
    "FIntCameraMaxZoomDistance": "9999"
}

Exclusive Fullscreen

Tip

Alt + Delete

{
    "FFlagHandleAltEnterFullscreenManually": "False"
}

Change Age Rating Learn More Link

{
    "FStringExperienceGuidelinesExplainedPageUrl": "https://playboicarti.com"
}

User Interface/Visuals

🍔

Note

Chrome UI only

{
    "FFlagEnableHamburgerIcon": "True"
}

Mini Webview

{
    "FFlagWebViewProtocol": "False"
}

THICK Healthbar

{
    "FFlagUpdateHealthBar": "True"
}

Remove Parental Controls Tab

{
    "FFlagLuaAppsEnableParentalControlsTab": "False"
}

Legacy Search

{
    "FFlagAXSearchLandingPageIXPEnabled4": "False"
}

Disable Profile Picture Customization

{
     "FFlagAXDefaultAvatarToShopEnabled3": "False"
}

old luaapp chat button

{
    "FStringNewChatTabExperimentLayerValue": "2024MUSIC"
}

{
    "FFlagEnableNewChatTabExperiment5": "False"
}

Disable Toast Notifications

{
    "FFlagToastNotificationsProtocolEnabled2": "False"
}

Rename Communications to Voice Enabled

{
    "FFlagGameDetailsDecoupledCommunication": "False"
}

Break Reduced Motion V4

@kezcn

{
    "FFlagFixReducedMotionStuckIGM2": "False"
}

Revert "Charts" back to Discovery

{
    "FFlagLuaAppChartsPageRenameIXP": "False"
}

Disable Sidebar

{
    "FFlagEnableNavBarLabels3": "False"
}

V1 Menu Fix

{
    "FFlagFixReportButtonCutOff": "False"
}

V2 Menu

{
    "FIntNewInGameMenuPercentRollout3": "1000"
}

Custom Disconnect Message

{
    "FFlagReconnectDisabled": "True",
    "FStringReconnectDisabledReason": "You're stupid and I hate you"
}

Display FPS

{
    "FFlagDebugDisplayFPS": "True"
}

Verified Badge

Note

Clientsided only

{
    "FStringWhitelistVerifiedUserId": "UserID"
}

Verified Badge on everyone

Note

Clientsided only

{
    "FFlagOverridePlayerVerifiedBadge": "True"
}

Applies cool colors to stuff

{
    "FFlagDebugDisplayUnthemedInstances": "True"
}

Revert new invite menu

{
    "FFlagEnableNewInviteMenuIXP2": "False"
}

Revert spacing on errors

{
    "FFlagErrorPromptResizesHeight": "False"
}

Remove Disconnect Blur/Loading Blur

{
    "FIntRobloxGuiBlurIntensity": "0"
}

Disable New Chat Translation Settings

{
    "FFlagChatTranslationSettingEnabled3": "False"
}

New Camera Mode

{
    "FFlagNewCameraControls": "True"
}

Custom MicroProfile Scale

{
    "DFIntMicroProfilerDpiScaleOverride":  "100"
}

Set Custom Font Size

{
    "FIntFontSizePadding": "1"
}

Adjust Scroll Speed

{
    "FIntScrollWheelDeltaAmount": "140"
}

Set Custom Kick Message Length

{
    "FIntMaxKickMessageLength": "1"
}

Darker Dark Theme

{
    "FFlagLuaAppUseUIBloxColorPalettes1": "True",
    "FFlagUIBloxUseNewThemeColorPalettes": "True"
}

Blue Theme

{
    "FFlagLuaAppEnableFoundationColors3": "True"
}

No Transparency V4 Menu (2023)

{
    "FStringInGameMenuModernizationStickyBarForcedUserIds": "UserID"
}

Subscriptions Page

{
    "FFlagLuaAppDevSubsEnabled": "True"
}

Overlay that shows what you type

{
    "FFlagDebugTextBoxServiceShowOverlay": "True"
}

Ammount of lines to show at once for above

{
    "DFIntTextBoxServiceHistorySize": "1"
}

Hides gui

{
    "FFlagDebugAdornsDisabled":  "True"
}

Dont Render UI

{
    "FFlagDebugDontRenderUI": "True"
}

Dont Render Screen GUIs

{
    "FFlagDebugDontRenderScreenGui": "True"
}

Disable Autocomplete

{
    "FFlagEnableCommandAutocomplete": "False"
}

Break Top Bar Menu

{
    "FStringNewInGameMenuForceds": "UserID",
    "FFlagEnableInGameMenuChrome": "True"
}

Break Collectible Icon

{
    "FFlagDisplayCollectiblesIcon": "False"
}

Disable Bubble Chat

{
    "FFlagEnableBubbleChatFromChatService": "False"
}

Disable Camera & Selfview

{
    "FFlagSelfieViewEnabled": "True"
}

Disable Avatar Chat

{
    "FFlagAvatarChatServiceEnabled3": "False"
}

Remove VC Beta Badge

{
    "FFlagVoiceBetaBadge": "False",
    "FFlagTopBarUseNewBadge": "False",
    "FFlagBetaBadgeLearnMoreLinkFormview": "False",
    "FFlagControlBetaBadgeWithGuac": "False",
    "FStringVoiceBetaBadgeLearnMoreLink": "null"
}

VR Controller transparency

{
    "FIntVRTouchControllerTransparency": "0"
}

Disable VR Collision Fade

{
    "FFlagViewCollisionFadeToBlackInVR": "False"
}

Limit Videos Playing

{
    "DFIntVideoMaxNumberOfVideosPlaying": "0"
}

Disable DSA Reporting In-game

@kezcn

{
    "FFlagDSAIllegalContentReporting2": "False"
}

Desktop App Dev Tools

Important

Only works on web view windows like profiles, Ctrl + Shift + I

{
    "FFlagDebugEnableNewWebView2DevTool": "True"
}

Enable Events Tab/Change Events Tab URL

{
    "FFlagPlatformEventEnabled2": "True",
    "FStringPlatformEventUrl": "AnyLinkHere"
}

User Interface/Visuals Experimental

Custom Accessory Positions ^{Working in game}

{
    "FFlagAXAccessoryAdjustment": "True",
    "FFlagAXAccessoryAdjustmentIXPEnabled": "True",
    "FFlagAXAccessoryAdjustmentIXPEnabledForAll": "True",
    "FFlagAXAvatarFetchResultCamelCase": "True",
    "FFlagAccessoryAdjustmentEnabled3": "True",
    "FFlagAccessoryAdjustmentEnabled4": "True"
}

Enable First Time User Experience for Chrome UI

{
    "FFlagEnableChromeFTUX": "True"
}

Disable Haptics Option

{
    "FFlagAddHapticsToggle": "False"
}

Enable Better Haptics

{
    "FFlagEnableBetterHapticsResultHandling": "True"
}

Old Chrome UI Topbar

{
    "FFlagEnableHamburgerIcon": "False",
    "FFlagEnableUnibarV4IA": "False",
    "FFlagEnableAlwaysOpenUnibar2": "False",
    "FFlagUseNewUnibarIcon": "False",
    "FFlagUseSelfieViewFlatIcon": "False",
    "FFlagUnibarRespawn": "False",
    "FFlagEnableChromePinIntegrations2": "False"
}

Extra + Left Healthbar on Chrome UI Topbar

{
    "FFlagEnableUnibarMaxDefaultOpen": "True",
    "FFlagUpdateHealthBar": "False",
    "FFlagUseNewPinIcon": "False"
}

Chrome UI TopBar

{
    "FFlagEnableReportAbuseMenuRoactABTest2": "True",
    "FFlagEnableInGameMenuChromeABTest2": "True",
    "FFlagEnableInGameMenuChromeABTest3": "True"
}

Chrome UI Topbar Removal

{
    "FFlagEnableInGameMenuChromeABTest2": "False",
    "FFlagEnableReportAbuseMenuRoactABTest2": "False",
    "FFlagEnableInGameMenuChromeABTest3": "False"
}

Hide playerlist close button on Chrome UI

{
    "FFlagDisablePlayerListDisplayCloseBtn": "True"
}

Pin Chat on Chrome UI

{
    "FFlagEnableChromePinnedChat": "True"
}

Ragdoll Death Type

Important

Studio Only

Note

I tried Ragdoll to see if anything would happen lol this is how i found this (found this long time ago)

@burgerboxer

{
    "DFStringDefaultAvatarDeathType": "Ragdoll"
}

Audio Related

Allows you to change voice chat distance

Note

Default: [Min 7 Max 80]

{
    "DFIntVoiceChatRollOffMinDistance": "7",
    "DFIntVoiceChatRollOffMaxDistance": "80"
}

Sounds use physical velocity and become distorted

Note

<2017 Audio

{
    "FFlagSoundsUsePhysicalVelocity": "True"
}

Audio Occlusion

{
    "FFlagDebugEnableDirectAudioOcclusion2": "True"
}

Limit audios that are being played

{
    "DFIntMaxLoadableAudioChannelCount": "1"
}

Mess with voice chat volume

Note

Default: 1000

{
    "DFIntVoiceChatVolumeThousandths": "100000"
}

No sounds

{
    "FFlagDebugRomarkMockingAudioDevices": "True"
}

Physics (Abusive)

Note

Support me for finding some of these FastFlags (With credits on @burgerboxer) by buying https://www.roblox.com/game-pass/895489152/ or boosting our server!

Tool Desync

{
    "DFIntSimBlockLargeLocalToolWeldManipulationsThreshold": "-1"
}

Remap R6 to R15 Rigs/Weird Movement

{
    "FFlagRemapAnimationR6ToR15Rig": "True"
}

Weird Leg Movement

{
    "DFFlagAnimatorPostProcessIK": "True"
}

Adjust Hip Height Clamps

{
    "DFIntHipHeightClamp": "-48"
}

Random High Jumps

{
    "FFlagSimAdaptiveTimesteppingDefault2": "True",
    "DFFlagSimHumanoidTimestepModelUpdate": "True"
}

Bouncy

{
    "FFlagDebugSimDefaultPrimalSolver": "True",
    "DFIntMaxAltitudePDStickHipHeightPercent": "-200",
    "DFIntDebugSimPrimalLineSearch": "1"
}

Drunk

{
    "FFlagSimAdaptiveTimesteppingDefault2": "True",
    "DFIntSimAdaptiveHumanoidPDControllerSubstepMultiplier": "-999999",
    "DFFlagSimHumanoidTimestepModelUpdate": "True"
}

No Animations ✨

Note

Stops the game from trying to replicate your animations in the server. You dont have animations in the server but you do for your client

{
    "DFIntReplicatorAnimationTrackLimitPerAnimator": "-1"
}

Delayed Animations

{
    "FFlagProcessAnimationLooped": "False"
}

Stick unanchored parts to you

Tip

- = up, + = down

{
    "DFIntSolidFloorPercentForceApplication": "-1000",
    "DFIntNonSolidFloorPercentForceApplication": "-5000"
}

Max Raycast Distance

Note

Raycasting is the use of intersection tests to solve problems in Roblox. The most common use of raycasting is to determine the first object intersected by a ray. This is done by casting a virtual ray from a certain point in a direction and determining the first surface it intersected with.

Tip

Break legs collision from 2 to -inf, kinda break camera on values over 3 noclip cam on 3

{
    "DFIntRaycastMaxDistance": "3"
}

Possible Super Jump

{
    "DFIntNewRunningBaseGravityReductionFactorHundredth": "1500"
}

Change DataSender Rate

Note

A.k.a does not let you load games

{
    "DFIntDataSenderRate": "-1"
}

Disable Touch Events

{
    "DFIntTouchSenderMaxBandwidthBps": "-1"
}

Fake Lag ✨

{
    "DFIntS2PhysicsSenderRate": "1"
}

Invisible 1

Note

Stops the physics on your character froms sending to the server so your character doesn't move for the server. You can move on your client.

{
    "DFIntS2PhysicsSenderRate": "-30"
}

Invisible 2 ✨

Note

Locks your character's position on the server to (0, 0, 0), having the side effect of turning you invisible. This only affects the server and other clients, not you. server-sided things that rely on your position, like clicking to get tools, will not function. In some games these can be abusable. Here is a list of them: Link

{
    "DFIntGameNetPVHeaderTranslationZeroCutoffExponent": "10"
}

Invisible 3

Note

Restricts the client from sending any physics-related information. This means other people can topple you over.

{
    "DFIntPhysicsSenderMaxBandwidthBps": "1",
    "DFIntPhysicsSenderMaxBandwidthBpsScaling": "0"
}

Clientsided Invisible

{
    "FIntParallelDynamicPartsFastClusterBatchSize": "-1"
}

Warp & Slowmotion ✨

{
    "DFIntMaxMissedWorldStepsRemembered": "1"
}

{
    "DFIntMaxMissedWorldStepsRemembered": "1000"
}

Noclip 1

Tip

Adjust the value so you don't fall through the ground

{
    "DFIntAssemblyExtentsExpansionStudHundredth": "-50"
}

Noclip 2

Tip

Adjust the value so you don't fall through the ground

{
    "DFIntSimBroadPhasePairCountMax": "50"
}

Noclip 3 ✨

@burgerboxer & @dis_spencer

{
    "FFlagDebugSimDefaultPrimalSolver": "True",
    "DFIntMaximumFreefallMoveTimeInTenths": "1000",
    "DFIntDebugSimPrimalStiffness": "0"
}

Noclip 4

@burgerboxer

{
    "FFlagDebugSimDefaultPrimalSolver": "True",
    "DFIntDebugSimPrimalNewtonIts": "1"
}

Noclip 5

{
    "FFlagDebugSimDefaultPrimalSolver": "True",
    "FFlagDebugSimPrimalGSLump": "True",
    "FIntDebugSimPrimalGSLumpAlpha": "-1111"
}

Noclip 6

{
    "FFlagDebugSimDefaultPrimalSolver": "True",
    "DFIntDebugSimPrimalPreconditioner": "1",
    "DFIntDebugSimPrimalPreconditionerMinExp": "10"
}

Freeze 1

{
    "FFlagDebugSimDefaultPrimalSolver": "True",
    "DFIntDebugSimPrimalLineSearch": "0"
}

Freeze 2

@burgerboxer

{
    "FFlagDebugSimDefaultPrimalSolver": "True",
    "DFIntDebugSimPrimalNewtonIts": "0"
}

Hip Height ✨

Note

Very controllable bounce, only works with negative values

Tip

0 allows you to hover

{
    "DFIntMaxAltitudePDStickHipHeightPercent": "-200"
}

Wallglide ✨

{
    "DFIntUnstickForceAttackInTenths": "-4"
}

Network Ownership

Note

better network ownership of parts

Caution

This might get you banned in some games with anticheats (Limbobbia)

{
    "DFIntMinClientSimulationRadius": "2147000000",
    "DFIntMinimalSimRadiusBuffer": "2147000000",
    "DFIntMaxClientSimulationRadius": "2147000000"
}

Low Gravity 1 ✨

Note

'FFlagDebugSimDefaultPrimalSolver' : True
This flag enables the new simulation engine or whatever it is.

Caution

'DFIntDebugSimPrimalLineSearch' : 1
This setting is a poor man's gravity/flight. The default value is 100:

• Above 0: Low gravity.
• Below 1 to -1: Will make gameplay weird, especially with physics.
• Below -1: Acts as a poor man's fly mode (not really usable).

@Amity

{
    "FFlagDebugSimDefaultPrimalSolver": "True",
    "DFIntDebugSimPrimalLineSearch": "3"
}

Low Gravity 2

Caution

This is more buggy

{
    "FFlagDebugSimDefaultPrimalSolver": "True",
    "DFIntDebugSimPrimalPreconditioner": "100",
    "DFIntDebugSimPrimalPreconditionerMinExp": "100",
    "DFIntDebugSimPrimalNewtonIts": "1",
    "DFIntDebugSimPrimalWarmstartVelocity": "-150",
    "DFIntDebugSimPrimalWarmstartForce": "-775",
    "DFIntDebugSimPrimalToleranceInv": "1"
}

Low Gravity 2 Control on Parts Improvement

{
    "FFlagDebugSimDefaultPrimalSolver": "True",
    "DFIntDebugSimPrimalNewtonIts": "1",
    "DFIntDebugSimPrimalPreconditioner": "15",
    "DFIntDebugSimPrimalPreconditionerMinExp": "10",
    "DFIntDebugSimPrimalToleranceInv": "1",
    "DFIntDebugSimPrimalWarmstartForce": "-150",
    "DFIntDebugSimPrimalWarmstartVelocity": "100"
}

Low Gravity 3

{
    "FFlagDebugSimDefaultPrimalSolver": "True",
    "FFlagDebugSimPrimalGSLump": "True",
    "FIntDebugSimPrimalGSLumpAlpha": "-1111"
}

Slow Walk + Low Gravity

{
    "FFlagDebugSimDefaultPrimalSolver": "True",
    "DFIntDebugSimPrimalLineSearch": "1",
    "DFIntDebugSimPrimalWarmstartVelocity": "50"
}

Upside Down while slowly being sent to heaven

{
    "FFlagDebugSimDefaultPrimalSolver": "True",
    "DFIntDebugSimPrimalLineSearch": "1",
    "DFIntDebugSimPrimalWarmstartForce": "1000",
    "DFIntDebugSimPrimalWarmstartVelocity": "50"
}

Void Unanchored Parts

{
    "FFlagDebugSimDefaultPrimalSolver": "True",
    "DFIntDebugSimPrimalLineSearch": "222"
}

Tool Fly

{
    "DFIntMinimalSimRadiusBuffer": "2147000000",
    "DFIntMinClientSimulationRadius": "2147000000",
    "DFFlagSimHumanoidTimestepModelUpdate": "True",
    "DFIntMaxClientSimulationRadius": "2147000000",
    "FFlagDebugSimDefaultPrimalSolver": "True",
    "FFlagSimAdaptiveTimesteppingDefault2": "True",
    "DFIntNonSolidFloorPercentForceApplication": "-12000",
    "DFIntDebugSimPrimalPreconditioner": "100",
    "DFIntDebugSimPrimalPreconditionerMinExp": "100",
    "DFIntDebugSimPrimalNewtonIts": "2",
    "DFIntDebugSimPrimalWarmstartVelocity": "-150",
    "DFIntDebugSimPrimalWarmstartForce": "-775",
    "DFIntDebugSimPrimalToleranceInv": "1"
}

Backwards SpeedHax

Warning

Bugginess and speed depend on the value of DFIntDebugSimPrimalWarmstartForce. Recommended values are 775 and the value I put.

Tip

For DFIntDebugSimPrimalWarmstartVelocity, it’s recommended to use a value of 150. However, it might be difficult to control.

Note

I may not have found this first, but I discovered this by myself.

{
    "FFlagDebugSimDefaultPrimalSolver": "True",
    "DFIntDebugSimPrimalNewtonIts": "1",
    "DFIntDebugSimPrimalPreconditioner": "69",
    "DFIntDebugSimPrimalPreconditionerMinExp": "69",
    "DFIntDebugSimPrimalToleranceInv": "1",
    "DFIntDebugSimPrimalWarmstartForce": "-885",
    "DFIntDebugSimPrimalWarmstartVelocity": "-350",
    "FFlagDebugSimPrimalGSLump": "True",
    "FIntDebugSimPrimalGSLumpAlpha": "-1111"
}

Vehicle Speed 1

{
    "DFIntDebugSimPrimalWarmstartForce": "40",
    "DFIntDebugSimPrimalWarmstartVelocity": "102",
    "FFlagDebugSimDefaultPrimalSolver": "True",
    "DFIntDebugSimPrimalLineSearch": "41"
}

Vehicle Speed 2 ✨

Tip

Adjust DFIntDebugSimPrimalWarmstartVelocity or DFIntBulletContactBreakOrthogonalThresholdPercent and find the best values for you

{
    "DFIntDebugSimPrimalLineSearch": "50",
    "DFIntDebugSimPrimalWarmstartVelocity": "103",
    "DFIntDebugSimPrimalStiffness": "300",
    "DFIntBulletContactBreakOrthogonalThresholdPercent": "10000"
}

GRAH GRAH

{
    "DFIntDebugSimPrimalLineSearch": "1",
    "DFIntDebugSimPrimalWarmstartForce": "160",
    "DFIntDebugSimPrimalWarmstartVelocity": "102",
    "FFlagDebugSimDefaultPrimalSolver": "True"
}

Spin 1

@bloodraven

{
    "FFlagDebugSimDefaultPrimalSolver": "True",
    "FIntDebugSimPrimalGSLumpAlpha": "-2147483647",
    "DFIntDebugSimPrimalPreconditioner": "1100",
    "DFIntDebugSimPrimalPreconditionerMinExp": "1000",
    "DFIntDebugSimPrimalNewtonIts": "2",
    "DFIntDebugSimPrimalWarmstartVelocity": "102",
    "DFIntDebugSimPrimalWarmstartForce": "-800",
    "DFIntDebugSimPrimalToleranceInv": "1"
}

Speed 2

Note

Not backwards but more buggy

{
    "DFIntDebugSimPrimalWarmstartForce": "-285",
    "DFIntDebugSimPrimalWarmstartVelocity": "750",
    "FIntDebugSimPrimalGSLumpAlpha": "-2147483647",
    "FFlagDebugSimDefaultPrimalSolver": "True",
    "DFIntDebugSimPrimalPreconditioner": "100",
    "DFIntDebugSimPrimalPreconditionerMinExp": "1000",
    "DFIntDebugSimPrimalNewtonIts": "1",
    "DFIntDebugSimPrimalToleranceInv": "10",
    "DFFlagSimHumanoidTimestepModelUpdate": "True",
    "FFlagSimAdaptiveTimesteppingDefault2": "True",
    "DFIntDebugSimPrimalLineSearch": "100"
}

real god mode fr

fake @pyhlou

Tip

Disconnect your internet before joining a game and turn it on again

{
    "DFIntGameNetOptimizeParallelPhysicsSendAssemblyBatch": "0"
}

Abusive Visuals

Semi Fullbright

{
    "FFlagFastGPULightCulling3": "True",
    "FIntRenderShadowIntensity": "0",
    "DFIntCullFactorPixelThresholdShadowMapHighQuality": "2147483647",
    "DFIntCullFactorPixelThresholdShadowMapLowQuality": "2147483647",
    "FFlagNewLightAttenuation": "True",
    "FIntRenderShadowmapBias": "-1",
    "DFFlagDebugPauseVoxelizer": "True"
}

Draws a circle under avatars

{
    "FFlagDebugAvatarChatVisualization": "True",
    "FFlagEnableInGameMenuChromeABTest2": "False"
}

Humanoid Outline

Note

Draws an outline around every part and every humanoid

{
    "DFFlagDebugDrawBroadPhaseAABBs": "True"
}

fflag above but more complex

Note

Draws an outline around every body part

{
    "DFFlagDebugDrawBvhNodes": "True"
}

Buggy ZPlane Camera ✨

{
    "FIntCameraFarZPlane": "1"
}

Adds an UI in game, which highlights any part player touches (like ground, Meshes etc.). It's a non-functioning UI too. Also adds a blue circle to your humanoid.

{
    "FFlagDebugHumanoidRendering": "True"
}

Xray ✨

{
    "DFIntCullFactorPixelThresholdMainViewHighQuality": "10000",
    "DFIntCullFactorPixelThresholdMainViewLowQuality": "10000",
    "DFIntCullFactorPixelThresholdShadowMapHighQuality": "10000",
    "DFIntCullFactorPixelThresholdShadowMapLowQuality": "10000"
}

Abusive Game Specific Presets

You can contribute by making a pull request.

Fling Things and People

Send people to hell 😈😈

{
    "DFIntSimAdaptiveHumanoidPDControllerSubstepMultiplier": "-999999",
    "DFFlagSimHumanoidTimestepModelUpdate": "True",
    "FFlagDebugSimDefaultPrimalSolver": "True",
    "FFlagSimAdaptiveTimesteppingDefault2": "True",
    "DFIntDebugSimPrimalWarmstartVelocity": "-10",
    "DFIntDebugSimPrimalWarmstartForce": "1750",
    "DFIntDebugSimPrimalPreconditioner": "-20",
    "DFIntDebugSimPrimalPreconditionerMinExp": "1000",
    "DFIntDebugSimPrimalNewtonIts": "2",
    "DFIntDebugSimPrimalToleranceInv": "2"
}

Send people to hell V2

Tip

Modify warmstart to change speed

{
    "DFIntDebugSimPrimalNewtonIts": "2",
    "DFIntDebugSimPrimalPreconditioner": "1100",
    "DFIntDebugSimPrimalPreconditionerMinExp": "1000",
    "DFIntDebugSimPrimalToleranceInv": "1",
    "DFIntDebugSimPrimalWarmstartForce": "-800",
    "DFIntDebugSimPrimalWarmstartVelocity": "102",
    "FFlagDebugSimDefaultPrimalSolver": "True",
    "FIntDebugSimPrimalGSLumpAlpha": "-2147483647"
}

Send people to heaven

{
    "DFIntDebugSimPrimalNewtonIts": "1",
    "DFIntDebugSimPrimalPreconditioner": "15",
    "DFIntDebugSimPrimalPreconditionerMinExp": "10",
    "DFIntDebugSimPrimalToleranceInv": "1",
    "DFIntDebugSimPrimalWarmstartForce": "-150",
    "DFIntDebugSimPrimalWarmstartVelocity": "100",
    "FFlagDebugSimDefaultPrimalSolver": "True",
}

lol

Stop the Chinese from spying on you

{
    "FStringTencentAuthPath": "null"
}

Don't Touch The Wall! 1

{
    "DFIntDebugSimPrimalNewtonIts": "-2147483647",
    "DFIntDebugSimPrimalToleranceInv": "-2147483647",
    "FFlagDebugSimDefaultPrimalSolver": "True"
}

Dont Touch The Wall! 2

{
    "DFIntDebugSimPrimalPreconditionerMinExp": "20",
    "DFIntDebugSimPrimalWarmstartVelocity": "-101",
    "DFIntDebugSimPrimalPreconditioner": "1000",
    "DFIntDebugSimPrimalWarmstartForce": "1",
    "DFIntDebugSimPrimalNewtonIts": "4000",
    "DFFlagSimHumanoidTimestepModelUpdate": "True",
    "FFlagSimAdaptiveTimesteppingDefault2": "True",
    "FFlagDebugSimDefaultPrimalSolver": "True",
    "DFIntDebugSimPrimalToleranceInv": "6",
    "DFIntDebugSimPrimalLineSearch": "1"
}

omg i cant believe roblox is that dumb to do this...

{
    "FIntPhysicsGridHierarchyLowestLevelInitBinCount": "199999999",
    "FIntPhysicsGridHierarchyLowestLevelInitBinCountWorldModel": "100000000",
    "FIntPhysicsSolverCollisionPoolBucketSize": "2147483647",
    "FIntPhysicsSolverCollisionPoolBucketSizeWorldModel": "2147483647"
}

Crash Roblox 1

{
    "DFIntTimestepArbiterThresholdCFLThou": "0"
}

Crash Roblox 2

{
    "DFFlagVideoCaptureServiceEnabled": "False"
}

Increase Ping

{
    "DFIntDataSenderMaxBandwidthBps": "150"
}

Debug

Shows the state of a flag

{
    "FStringDebugShowFlagState": "FLAG_HERE"
}

e.g

{
    "FStringDebugShowFlagState": "DFIntTaskSchedulerTargetFps, ChannelName"
}

Show Outlined Chunks

{
    "FFlagDebugLightGridShowChunks": "True"
}

Show Outlined Chunks that are being interacted

{
    "DFFlagDebugEnableStreamingSolverVisualization": "True"
}

Prevents Remote Events from running

@spectroscopic

{
    "DFIntRemoteEventSingleInvocationSizeLimit": "1"
}

Show All Error Strings

{
    "FFlagDebugEnableErrorStringTesting": "True"
}

logs stuff in dev console

{
    "FStringDebugLuaLogLevel": "debug",
    "FStringDebugLuaLogPattern": "ExpChat/mountClientApp"
}

Octree Validation

{
    "FFlagDebugEnableOctreeValidation": "True"
}

Self Explanatory 1

{
    "DFFlagDebugPrintDataPingBreakDown": "True"
}

Self Explanatory 2

{
    "DFFlagDebugAudioLogging": "True"
}

Duplicate of Above

{
    "DFFlagDebugAudioLogging2": "True"
}

Self Explanatory 3

{
    "FFlagTrackerLodControllerDebugUI": "True"
}

Self Explanatory 4

Note

Disable Drag Detectors

{
    "FFlagDragDetectors1": "False"
}

Self Explanatory 5

Note

Disable CTM Climbing

{
    "FFlagUserClickToMoveSupportAgentCanClimb2": "False"
}

Self Explanatory 6

Note

Disable Feedback Button in ESC

{
    "FFlagDisableFeedbackSoothsayerCheck": "False"
}

Self Explanatory 7

@thefrenchguy4

{
    "FFlagRenamePassesAndGearToSubscriptionsAndPasses": "False"
}

Self Explanatory 8

{
    "DFFlagDebugSimulateHangAtStartup": "True"
}

Self Explanatory 9

{
    "DFFlagDebugSimulateHangAtShutdown": "True"
}

Community Presets

We are not accepting performance Fast Flags that aren't listed or known.

Noclip + Low Gravity + Fly (Weird Movement)

{
    "DFIntDebugSimPrimalLineSearch": "1",
    "DFIntDebugSimPrimalWarmstartForce": "160",
    "DFIntDebugSimPrimalWarmstartVelocity": "102",
    "FFlagDebugSimDefaultPrimalSolver": "True"
}

absolutely kill your game quality with fflags known to me

@dynamitebumblemouth

{
    "FFlagDisablePostFx": "True",
    "FIntDebugTextureManagerSkipMips": "-1",
    "DFIntTextureCompositorActiveJobs": "0",
    "DFIntCSGLevelOfDetailSwitchingDistance": "0",
    "DFIntCSGLevelOfDetailSwitchingDistanceL12": "0",
    "DFIntCSGLevelOfDetailSwitchingDistanceL23": "0",
    "DFIntCSGLevelOfDetailSwitchingDistanceL34": "0",
    "DFIntDebugFRMQualityLevelOverride": "1",
    "DFFlagDebugPauseVoxelizer": "True",
    "DFFlagDebugRenderForceTechnologyVoxel": "True",
    "FFlagGlobalWindRendering": "False",
    "FIntRenderShadowIntensity": "0",
    "FIntRenderShadowmapBias": "1",
    "FIntDebugForceMSAASamples": "-1",
    "FIntFRMMinGrassDistance": "0",
    "DFIntTextureQualityOverride": "1"
}

Links

Make Your Own Custom Roblox Textures [Github Repo Link]

Bloxstrap [Github Repo Link]

NVIDIA Shaders Guide [Github Repo Link]

EnableAnselForRoblox [Github Repo Link]

Bloxshade [Github Repo Link]

rbxperf [Github Repo Link]

Bindable Lag Switch [Github Repo Link]

MEGA FLAG LIST [Bloxstrap Server]

rbxservers.xyz [Website]

⁺ You've reached the bottom of the list! ⁺

Timeless - The Weeknd, Playboi Carti

Tools

FVariables.txt

Roblox FFlag Tracker

Sources

Roblox Glitching Community

Bloxstrap

The people who found these fastflags

Label	Type	Description
Flag	bool	A boolean variable that can be either true or false.
Int	int	An integer variable used to store whole numbers.
String	string	A variable used to store a sequence of characters.

Prefix	Label	Description
F	Fast	A regular fastvariable that is initialized once and does not change until a new session begins.
DF	Dynamic Fast	A fastvariable that can change at run-time, and automatically updates every 5 minutes.

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