About Happy Glass - Draw to Fill

No installs and no paywalls: Happy Glass - Draw to Fill is a brain teaser that starts the second you hit play. Each level is a small, self-contained riddle — perfect for short sessions or long streaks. It plays just as well on a phone or tablet as it does on a desktop, with touch controls built in. And because it is hosted on LemonArcade, it stays unblocked on school networks and Chromebooks.

How to play Happy Glass - Draw to Fill

Spot the pattern, make your moves in the right order and watch the level fall into place. On mobile, the on-screen touch controls take over — tap / drag — play. A couple of practice runs will teach you more than any instructions.

• Mouse draw lines to guide the water into the glass

Tips to get better at Happy Glass - Draw to Fill

• Mistakes are cheap: restarting a level early beats grinding a doomed position.
• Take a short break when a level resists you; fresh eyes solve puzzles faster.
• If you are stuck, look for the move that frees up the most space rather than the quickest win.