This slide puzzle game is for those who get an adrenaline rush playing tic-tac-toe and want to tone it down a bit. The goal of the game is to slide the randomly placed tiles, numbered 1 thru 15, into numeric order without falling asleep. If you need to take a tranquilizer when playing crossword puzzles, then this game is for you.

This game features four grid variations: 4X4, 5X5, 6x6, and for thrill seekers, 7x7. Tile colors include red, white, green, blue, and yellow.

You can find this game hanging in blister packs in the toy sections of many retailers. Downloading this free app will save you $1.99 and is environmentally friendly! (The developer was trying to find a reason why you should download this app and that’s all he could think of.)