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 ~100 unique gadgets to build your crazy machines.
Create, clone, paint, and destroy with 4 powerful toolheads.
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.
Design your own puzzles and upload them online with Puzzle Designer.
Access 40 additional gadgets inspired by Rube Goldberg machines.
Infinite replayability with lots of depth.
Access to unlimited community-made puzzles in Online Sharing.