Happy Filled Glass is a free online puzzle game for boys played on a puzzle game. Draw with a pencil the optimal way to make the glass fill up with liquid. The less ink you spend, the higher your score. Can you get three stars? If you're really stuck, you can always ask for a hint. Mobile, Tablet, and Desktop are playable. What are you waiting for? Challenge your brain with this game right now! Happy Filled Glass, puzzle game, brain training, kids games, online puzzle, drawing game, skill game, obstacle course, android game, HTML5, 3D, boys, fun, challenge, mobile game, tablet game, desktop game, problem solving, kids, strategy, avoid, brain, learning