Cargo challenge

Game Introduce
- Casual racing game
- Easy to play for kids
- Non-violent racing game
- Pretty animal characters for kids
- Nice characters for adults
- Math mode for studying math

1. Select 4 Game mode
- Energy bar mode
- 100M mode
- Flag mode
- Math mode

2. 22 unrelated characters

3. Challenge the best record.

4. Make 10 combos to get duplicated rewards.

5. Focus 3 buttons as left, right, jump.

6. Ranking system.