Build creative chain reaction machines to solve fun, intricate puzzles. Your machines will use gadgets to launch, bump, twist, and turn—creating chain reactions that may even end up tearing apart the fabric of space-time.
Prepare your wits because you'll need them to build your masterpiece!
No restrictions on where and how you build your incredible machines.
Chain together 50+ unique gadgets to build your crazy machines.
Create, edit, destroy with 3 powerful toolheads.
Painlessly undo your mistakes.
Uncover the mystery behind the disappearance of a brilliant mad scientist and her daughter. Where did they go? Who are they? And what was she building?
Solve 60 physics puzzles she's left for you and explore a world of infinite possibilities.
Build your dream machine without any rules but the rules of physics. When you're done, share your masterpiece or experience the engineering marvels of others.