Tap a number from the list and then swipe on the grid to add it. Get all the numbers in place to solve the level. It's a number jigsaw.
The first 3 packs of levels of varying sizes are free with no adverts – several packs containing hundreds more levels are available with a single in-app purchase.
Purchase keys to unlock more than 600 levels ranging from easy 5x5 grids for kids, or tough 12x12s - best played on tablets.
No timers, music or annoying sound effects - take your time and take on the challenge!