Happy Filled Glass 4 – This is a game in which you need to draw with a pencil the optimal way to move water to fill a glass, on your way you will encounter various obstacles such as burning platforms, water-accelerating platforms, as well as rotating platforms, magnet, special up & down areas and much more. Happy Filled Glass 4, puzzle game, water puzzle, mobile game, skill game, strategy game, casual game, kids game, water redirection, pencil drawing, obstacle course, fun game, brain teaser, mobile puzzle, water game, problem solving, spatial reasoning, addictive game