Try to solve basic math in short time, Simple to play but hard to reach highest score.

Game have maximum to level 5

• Lv.1 score is about 1-9 and limit time is 1.25 secound
• Lv.2 score is about 10-19 and limit time is 1.5 secound
• Lv.3 score is about 20-29 and limit time is 4 secound
• Lv.4 score is about 30-39 and limit time is 6 secound
• Lv.5 score is about 40+ and limit time is 8 secound