A game where you perform arithmetic operations on four numbers to create a number larger than the target.

Click on a number to incorporate it into the formula.

Click on an operator to switch.

Once the formula is complete, click the OK button to execute the calculation.

You can freely swap the four numbers with the reserve card below by swiping.

Lives

Start with 10

Decreases by 1 if 60s pass

Decreases by 2 if you replace all cards

Decreases by the difference between the number you created and (target number + 1)

Game over when lives fall below 0

Change Button

You can change all four numbers in exchange for two lives.