by Quadion Technologies
Download this app if: you want to try a challenging math puzzle game.
Featured by Apple as "Best Math Puzzle Game" and "New and Noteworthy"
NineGaps is a highly addictive and tricky puzzle game.
The goal of the game is really simple. You have to use your wits to place numbers from 1 to 9 in the missing gaps, while matching the operations presented in the puzzle....
Quick and Addicting — Great quick math puzzles, with levels that will keep you interested.