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Mash Box
Mash Box is a prototype sandbox game from an indie team, offering endless creative possibilities. Be part of its evolution with regular updates and help shape the tech foundation for future games. Dive in and influence the development of something special!
View on Steam ↗ Free (US · as of 2026-09-25)What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-25.
“I will leave the cat here, so that everybody who passes by can pet it and give it a thumbs up and awards ／＞ フ | _ _ l ／` ミ＿xノ / | / ヽ ﾉ │ | | | ／￣| | | | | (￣ヽ＿_ヽ_)__) ＼二つ”
— a player, Steam review · 17 hrs played“Best game i have ever played , My 4 kids with Schizophernia and Tourette syndrome were amazed by the realistic physics of the game , especially when doing wheelie on ground ur character spins around the bar , it reminded them of seizure they had last night , also my wife came…”
— a player, Steam review · 1 hrs played“Mash Box is an experimental physics sandbox that feels more like an evolving collection of gameplay ideas than a traditional sports game built around a campaign or structured progression. Developed and published by Mash Games, the project uses its open-ended format to explore…”
— a player, Steam review · 13 hrs playedPlayer activity
Monthly average concurrent players. Live data self-collected from the Steam API · history through 2026-08 via SteamCharts.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Patchie
-Vert sensors worked on. Many edge cases resoloved and prediction preference adjusted to maintain initial trajectory better -Peg friction reduced by 50%
Never Ending Patchies
-Drifting Fixed -Sticky grinding fixed -Fixed null Refernce causing other chaining issues -Fixed Camera flip flopping on spawn -Whips dont twist you as much any more -Hands and feet dont jitter on bmx
Patchie Patchie
-fixed braking -fixed major flaw in physics back-end causing all sorts of unwanted behaviour. Big Oof. cached contacts list for bike collision was being cleared each frame before using for calculation
Physics Patchieeee
-Fixed issue with wheels for vehicles making it all squirlly -Removed keyboard bindings -Wiggle jiggle reduced -Drifting should work again on bmx -Several complex rubbing scenarios solved for player t
Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-09-25.
| Genres | Action, Casual, Indie, Simulation, Sports, Free To Play, Early Access |
| Player tags | Casual · Simulation · Sports · Sandbox · 3D · Third Person · Multiplayer · Bikes · BMX · Free to Play · Skateboarding · Indie (Steam store community voting) |
| Features | Single-player · Gamepad Recommended · Partial Controller Support · Family Sharing |
| Languages | English * * |
Minimum system requirements (PC)
Minimum: OS: Windows 10 Processor: 2.5 GHz Memory: 4 GB RAM Graphics: GTX 1060 DirectX: Version 12 Storage: 5 GB available space