Sum-It! for iOS

Challenge your brain and hone your math skills in Sum-It! Add your way through the board to uncover a path that connects the target numbers. Each puzzle is unique and you'll find varying levels of difficulty. You can choose free play mode or play against the clock in timed trials. HOW TO PLAYEach puzzle has a target value as noted by the circled numbers. You begin in the top left corner and create a path to the bottom right corner, adding each square's value to your total as you proceed. The goal is to match the target value. You can move vertically and horizontally, but not diagonally. GAME MODESFree Play - Select a board size and solve the puzzles at your own pace. There are 25 boards for beginners and 75 for each of the more advanced difficulties. Can you beat all the levels? Timed Mode - For those with a competitive edge, try Timed Mode. See how many puzzles you can solve in 100 or 200 seconds. You gain 10 seconds for every puzzle you solve, but play carefully! You lose 3 seconds for each incorrect attempt. Connect to Game Center to compare your scores with other players. See how high you can get on the leaderboard!