You have four cards and a number. Your mission is to use + - x / (addition, subtraction, multiplication, division) to get the number from these cards. How quickly can you do it?
Here's an example: can you get 18 from    ? (Hint: 21 - 3 = 18!)
- Each level has a different goal, to keep you thinking.
- Play hundreds of levels in the order of increasing difficulty and test your ability before the clock runs out.
- Play in a window or full screen.
- As a bonus, we've also included more...
Version 1.0: Release notes were unavailable when this listing was updated.
- Mac OS X 10.6.6 or later*Previously available here