You can only tap the number of 2, 0, 4, 8.
4 game mode.
- Mix Mode: tap 2, 0, 4, 8 number only
- Classic Mode: tap 2, 0, 4, 8 number only as fast as you can
- Time Mode: tap 2, 0, 4, 8 number only in 30sec
- Endless Mode: tap 2, 0, 4, 8 number only endless until wrong tap