Games like Main Assembly
You’re the designer, engineer and architect if you can imagine it you can create it! Construct robots of any shape or size from eight-legged spider bots to eerie UFO contraptions.

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Ranked by collaborative filtering across millions of Steam libraries plus content overlap on genres, tags, and developers.
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Stormworks: Build and Rescue
Join a world where you design, create and pilot your own air sea rescue service. Release your inner hero as you battle fierce storms out at sea to rescue those in need.
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TerraTech
TerraTech is an open-world, sandbox adventure game, where you design and build your own creations through a mix of crafting, combat and discovery. Design vehicles from a huge library of blocks. Scavenge, craft and buy new parts to survive and become the ultimate planetary prospector.
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Mars First Logistics
Build physically simulated rovers to transport awkwardly shaped cargo across the rugged terrain of Mars. Earn funds, unlock new parts, and use your ingenuity to help the Martians establish a new home. Playable solo or in online co-op!
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Diesel Brothers: Truck Building Simulator
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Satisfactory
Satisfactory is a first-person open-world factory building game with a dash of exploration and combat. Play alone or with friends, explore an alien planet, create multi-story factories, and enter conveyor belt heaven!
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Desynced
Desynced is a sci-fi strategy game with fully customizable units and behaviors. Gather, build, research, and explore the unknown. Alone or with friends, unveil the mystery of an AI on the edge of self-awareness and uncover the hidden truth in this blend of strategy, automation, and exploration.
Reviewers mention these as similar to Main Assembly
Surfaced from review text: when other players write 'if you liked X, try Y', we catch the name and resolve it back to a Steam game.
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Scrap Mechanic
Enter the creative paradise of Scrap Mechanic! Build fantastic machines, go on adventures with your friends and defend against waves of evil Farmbots in this imaginative multiplayer survival sandbox. With Scrap Mechanic’s powerful creation tools you can engineer your own adventures!
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Stormworm+
Stormworm+ is a Fast-Paced Reflex-Driven Arcade Game backed with colorful visuals and an original soundtrack! Inspired by the arcade games of old, collect, grow and aim for the top spot on the leaderboards!
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Trailmakers
Build the ultimate vehicle and explore a vast open world filled with challenges and adventure. Play solo or team up with friends in multiplayer to conquer the toughest obstacles. With a thrilling campaign mode and endless creative possibilities, Trailmakers is the ultimate sandbox for adventurers.
Frequently asked about Main Assembly
- Does Main Assembly run on Steam Deck?
- Main Assembly is rated Playable on Steam Deck — it runs, but expect some manual adjustments (control remapping, text size, or graphics settings) for the best experience.
- How much does Main Assembly cost?
- Main Assembly is listed on Steam at 19.99 USD (current store price; Steam sales may reduce this temporarily).
- Does Main Assembly have multiplayer or co-op?
- Yes — Main Assembly supports multi-player play according to its Steam store listing (Multi-player, Online PvP, Online Co-op).
- What games are most similar to Main Assembly?
- Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Main Assembly are Stormworks: Build and Rescue, Archean, TerraTech.
- Who developed Main Assembly?
- Main Assembly was developed by Bad Yolk Games and published by Team17.
imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on Main Assembly.
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