Puzzle Fives app for iPhone and iPad
A numeric puzzle using the simple mathematical rules of addition and subtraction. Comes in 2 modes, a two dimensional board or a more challenging three dimensional cube.
The game is intuitive and can be picked up in seconds.
How to play:
Tap a number, and it will give 1 to each neighboring number. Likewise, tap its neighbor to receive a value of 1 from it (as do all the other neighbors).
Continue until all the numbers have the same value, 5
The game starts off easy and gets progressively harder (from a 3 by 3 board to a maximum cube size of 7 by 7 by 7)