About Gravity Lab
Gravity Lab is a puzzle game built on one idea: you don't move the ball, you turn the room. Every move rotates the whole lab 90° left or right, and Orbi the robot ball and every crate fall to the new "down" until they land on something.
Your goal is the green exit hatch. Get there in as few moves as you can: every lab has a par, the shortest solution found by a solver, and matching it earns three stars.
The lab has three wings of 20 labs each, and every wing ends with a boss you have to crush with falling crates:
- Test Chambers: crates you can stand on or block with, spikes to avoid, and glass that only a falling crate can smash. Boss: CRUSHER, who needs three crates dropped on it.
- Warp Wing: portals that send anything to the matching portal, still falling, and doors that stay open only while something sits on their pressure plate. Boss: WARP-O, who teleports after every hit.
- Laser Core: lasers that zap Orbi unless a crate blocks the beam. Boss: OVERLOAD, whose shield can only be hit on its glowing open side.
Made a mistake? Undo takes back one move, and if Orbi lands on spikes or in a laser, time rewinds by one move on its own.
How to play
- Swipe left or right (or tap the arrow buttons) to turn the lab 90°.
- Orbi and the crates fall to the new floor until they land on something.
- Get Orbi into the green exit hatch to clear the lab.
- Keep Orbi away from spikes and lasers. Use crates to smash glass, hold down pressure plates and block laser beams.
- In boss labs, drop crates on the boss until it's beaten, and don't let Orbi touch it.
- Finish in par moves or fewer for three stars.
Controls
Tips & tricks
- Think about every crate, not just Orbi. Crates fall too, so work out where everything will land before you turn.
- Crates are tools. Stack them as steps, park one on a pressure plate, or drop one into a laser beam to block it.
- Only crates break glass. Orbi is too light, so get a crate onto the glass first.
- Portals keep things falling. Whatever drops into a portal comes out of the matching one, still falling.
- Chasing three stars? Undo also takes back the move count, so try ideas freely. Par is the shortest solution, so look for turns that do two jobs at once.
- Stuck? Tap the lightbulb. You start with three hints and earn another the first time you get three stars on a lab.
- Never let Orbi touch a boss. Bosses only take damage from falling crates, and OVERLOAD only on its open side.
Screenshots
FAQ
Is Gravity Lab free?
Yes. Gravity Lab is free to play in your browser on SalutGames. No download and no account are needed.
How many levels are there?
60 labs in three wings of 20. The last lab of each wing is a boss fight, and beating it opens the next wing.
How do I get three stars?
Clear the lab in the par number of moves or fewer. Par is the shortest possible solution. A few extra moves still earns two stars.
What happens if Orbi lands on spikes or a laser?
Time rewinds by one move so you can try a different turn. You can also undo or restart whenever you like.
How do I get more hints?
You start with three. Each time you get three stars on a lab for the first time, you earn one more.
Is my progress saved?
Yes. Your stars and unlocked labs are saved on your device.







