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newvs 24h ago · updates every minute
Last 7 days · history since Oct 31, 2026
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98% positive of 215 · Very Positive · Live from Steam
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MoSimulator is a robotics simulation game with an arcade feel that lets players mod in their own robots. Experience the excitement of competitive student robotics in a fun, accessible format where you can bring your own robot designs to life and compete in simulated matches.
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Review score: 98% on 2026-11-01 → 98% today (215 reviews)
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Works, but may need extra effort. Results from Valve's own testing.
Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.
Public playtest of multiplayer before official release
Run this for mods that haven't been updated to v26 (uses v25.3.1)
Changelog Rebuilt 2910A accuracy fix Fixed 4414 passing from the other alliance zone Fixed joint lock behavior on 1678 and CC (climb) Improved 4414 net capacity Fixed 4414 "sour spot" Reefscape Modernized reef colliders Improved coral collision and stability I…
Changelog:**Physics & Drivetrain:*** Improved how robot weight factors into traction* Improved overall traction handling* Increased the slowdown rate in disabled mode**Game Elements & Rules:*** Added the 3-second rule for Reefscape endgame* Improved anti-beach…
**Overview:*** Online matches support up to six players, three per alliance, along with up to ten spectators, over Steam with join codes or directly over a local network by IP.* Each player's machine simulates its own robot and the game pieces it controls, whi…
Physics & Drivetrain:* Implemented drive traction simulation with tread-specific friction coefficients* Added mechanical efficiency loss to all robots* Retuned auto-align behaviors for 2025 robots (118, 190, 1323, 1690, 2910, 4414v1, 4414v2)Game Elements & Rul…
Featured Changes:- Added 2910's 2026 robots Blitz and ReBlitz to Rebuilt- Added 9483's 2026 robot Enigma to Rebuilt- Introduced the v4 Drive Controller, modeled after real DC motor behavior- Implemented controller and keyboard menu navigationAdditional Changes…
Changelog: Fixes: - Resolved an issue preventing launch on older Macs - Fixed an issue where some penalties weren't working Known Issues: - All other known v26.4.2 bugs