- architecture developing (100% complete - 3h)
- core mechanic of space invaders (100% complete - 2.5h)
- match3 mechanic (100% complete - 2h)
- space invaders protectors (100% complete - 30m)
- parametres system (100% complete - 1h)
- score system (90% complete - 2h)
- ui (50% complete - 30m)