Neon Sort Lab

Eleven chapters of certified-solvable boards, a fresh Daily Experiment every day, and a lab that always leaves you a way back.

Pour glowing neon liquids between lab tubes until every tube is full of a single colour.

Tap a tube to lift it, tap another to pour. Liquid only moves onto its own colour or into an empty tube, and only if there is room. That is the whole rule — everything after it is you, looking at the board.

EVERY BOARD IS SOLVABLE No timer, no move limit, no lives to run out of. Every level is machine-proved solvable before it ships, so a board that stalls was never unfair — the line you took was. Retry is free and unlimited, and when no pour is left the lab offers you a spare tube: pay a few coins, or watch a short video instead. You are never stuck behind a purchase.

440 CERTIFIED LEVELS, ACROSS ELEVEN CHAPTERS From five tubes and four colours up to twelve tubes and ten, each chapter opening a little more of the lab. Plus a Daily Experiment: one fresh, certified board every day, with a streak that remembers.

BUILT TO BE READABLE Colourblind mode marks the liquids with patterns as well as hues — a hatch, a weave, a scatter of dots — because a puzzle you cannot read is not a puzzle. Big tap targets, no timers, no punishment for thinking.

MAKE IT YOURS Earn coins by solving and spend them on tube glass and lab backgrounds. Skins and backdrops never make a level easier — the puzzles stay exactly as hard whatever you are looking at.

Free to play, with ads. Remove Ads is a one-time purchase; rewarded videos stay optional either way, so the free hint and the spare tube are always there if you want them.