Contraption Maker centers its online co-op on the shared Maker Lab, where up to eight players build machines together. Ropes, belts, motors, balloons, and animals can combine into chains of physical reactions that the group shapes as it goes. The official puzzle collection offers a different starting point: each challenge gives a goal and a limited selection of missing parts for a partly built machine.
A common workbench for up to eight
The Maker Lab is a sandbox where the group places parts, arranges scenery, and builds a contraption on a large two-dimensional playfield. Online co-op supports up to eight players. Everyone edits the same construction space, and starting the machine reveals how the parts interact. A ball can travel through a chain of pieces, trigger mechanisms, and move objects around the scene.
The shared canvas suits projects of different scales. A simple arrangement can carry an object through a short sequence, while a larger build may stretch across the playfield and set off mechanisms one after another. Some designs aim for a specific result; others explore what happens when several parts interact. Because the whole construction stays visible, a group can follow how its linked pieces affect the larger machine.
Remote Play Together and cross-platform multiplayer are also supported alongside online Maker Lab building.
Build a chain reaction from simple parts
The machines are made from familiar physical pieces and stranger gadgets. Balls roll down slopes, motors turn belts, ropes pull on objects, and switches change what is powered. A candle can light a fuse; scissors can cut a line; a spring can launch something into the next part of the setup. Other pieces introduce animals, rockets, cannons, balloons, lasers, or food that gives a creature a reason to move. Each part has its own behavior, but the interesting result usually comes from connecting several of them.
You can watch a small cause travel through a machine. A motor turns a conveyor belt, the belt moves an object into range, and that object activates another mechanism. A rope can connect something that looks unrelated to the main route, so a pull or fall starts motion elsewhere. A mouse might follow cheese toward a switch, while a cat chases the mouse; the animal interaction becomes part of the same mechanical sequence as the gears and platforms. The cast gives the game a playful tone, but it also makes the physics less like a neat engineering diagram. Living parts move in ways that can change the timing and direction of the chain.
Official puzzles challenge you to complete partly built machines with a limited set of pieces. Goals can include lighting a candle, moving a character, or launching a rocket. Fixed pieces shape the available route, and some layouts admit different solutions. Running the machine shows whether its sequence reaches the requested state.
Testing is part of making
The simulation reveals relationships among parts: which object falls first, what reaches a switch, where the ball rolls, and whether enough force reaches the next mechanism. If a chain stops, the result shows where the motion breaks. An angle, belt direction, or trigger position can change how later parts move.
The sequence can change when the arrangement changes: an early movement may affect several mechanisms that follow. You can replay the setup at different speeds, which helps when the machine has enough moving parts that the order of events is hard to catch at normal pace.
Official puzzles and Workshop creations
The official collection contains more than two hundred puzzles, ranging from simple goals to designs that combine several mechanisms. Some ask you to carry an object through a short chain; others depend on noticing how one part affects another. The set places familiar pieces in many different contexts.
The Steam Workshop contains more than 1,000 user-created puzzles, as well as player-made contraptions. Some are designed to be solved; others are machines made to run and show off. The in-game editor also offers JavaScript tools for creating games with Contraption Maker’s physics and parts.
Expect playful physics and a hands-on interface
The tone is bright and cartoon-like: tiny characters, cats, mice, balloons, and improbable devices share the same clean 2D space. That gives failures a slapstick quality. A character can get launched in an unexpected direction, a balloon can drift into the wrong mechanism, or a carefully positioned series of parts can collapse because one object hit sooner than expected. The humor often emerges from the way its parts interact.
Building uses direct placement of small objects and their connections. Parts can be moved, flipped, adjusted, and joined with ropes or belts, and some arrangements rely on precise positioning. The hands-on interface can feel fiddly. Puzzle difficulty also varies: some introduce parts gradually, while others combine behaviors and expect you to infer how they work together.
User-created Workshop entries vary in clarity and difficulty.
Is it a fit for your group?
Contraption Maker suits friends who enjoy hands-on construction, patient experimentation, and the surprising behavior of physical parts. Its building tools put small pieces and their connections at the center of the experience.