Apple Worm at Cool Math Games: You're a very hungry worm. Eat the apple, and reach the portal. Sounds easy? We guarantee you'll fail most of these puzzles. Coolmath Games is a brain-training site, for everyone, where logic & thinking & math meets fun & games. Snake. Eat the apples. How long can you survive? Games A-Z · Fireboy and Water Girl · Yellow · Papa's Freezeria. Snake at Cool Math Games: Eat the apples in this classic retro game. But don't hit the wall, or eat your own tail! How long can you survive?.