Happy Glass
NewHappy Glass is a physics puzzle with a sense of humor: each level shows a sad, empty glass and a water source, and your job is to draw lines that channel the water into the glass to make it smile. There's no single "correct" solution — your drawings can be loops, ramps, scoops, or barriers, and physics decides whether the water reaches the glass.
Touch and drag to draw lines anywhere on the screen. Each line acts as a solid surface that water flows along. You have a limited drawing budget per level (shown as a bar), so don't waste ink on unnecessary doodles. Once you're happy with your drawing, tap the play button and watch the water fall. Restart anytime to redraw.
Slopes work better than flat lines. A gentle downward angle keeps water moving; a flat surface lets it pool and overflow. If water is splashing, add a small wall above your channel to keep it contained. Bridges and loops use a lot of ink — see if a simpler U-shape would do the same job. When in doubt, run the simulation early to see where physics is taking your water.
Happy Glass succeeds because of its creative freedom. Two players can solve the same level in totally different ways — one with an elegant ramp, another with a chaotic Rube Goldberg contraption — and both are correct. The physics simulation is forgiving enough to encourage experimentation but realistic enough that bad designs visibly fail.
For fans of drawing-based puzzles like Cut the Rope, Crayon Physics, or Where's My Water. Especially fun for younger players or anyone who enjoys creative, low-pressure problem-solving.