Play Happy Cub free Online. Played with the mouse.. Make this glass happy by filling it with water. Make way for the water to reach the cup. Have Fun! PlayGames365.com offers you the best entertainment of games to play in the browser, the most distributed from the 2000s until now. Happy Cub is an HTML5 game that works on smartphones, tablets, PCs and Smart TVs. You can play Happy Cub anywhere, anytime.