About
ZetamACAAN tests how many times you can mentally subtract numbers between 0 and 52 within a given timeframe.
Instructions
Simply try to solve the subtraction problems as fast as possible. Do not write anything down.
Once the correct answer is typed, it will be auto-submitted and the game will move to the next problem.
Settings
Time Left: 0
Score: 0
XX minus XX
Score: X
or