How to play:

1. Press Start to set a random time.

2. The player with the device starts solving the multiplication question.

3. Use the plus and minus buttons to select your answer.

4. Press «done» to check your answer.

5. If the answer is correct, quickly pass the device to the next player which will solve the next multiplication question.

6. If the answer is wrong the bomb explodes and the player has to drink.

7. After a random set time,​ the bomb explodes. The player holding the device has to drink.