Home / Games / Homebrew - Patent Unknown
Homebrew - Patent Unknown
Unleash your creativity and craft anything from flying cars to jet-powered toilets.Fair warning: there's a learning curve. But once you've got it, the sky's the limit for your creations!While active development is paused, we focus preserving the game and keeping it accessible.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.
“Really sucks the devs abandoned this game, I found it really fun, never got into making engines and parts themselves, mainly downloaded custom ones from the site and just framing vehicles and slapping parts on for fun, so much potential this game had. :( (still runs and you can…”
— a player, Steam review · 139 hrs played“This game holds a special place in my heart. I remember as a kid seeing one of the earliest forms of this game from the youtuber Shake Bake. I was blown away by the concept and stuck with it on and off throughout the years. It was the first game that really challenged me to work…”
— a player, Steam review · 263 hrs played“Abandioned, buggy makes no sense probably easier to build a jet or car in real life”
— a player, Steam review · 4 hrs playedPrice tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-25. Steam prices vary by region — always confirm your local price on Steam.
Regional prices at last sample, in local currency — Steam sets each region's price independently.
Cheapest → most expensive, converted to USD at ECB reference rates (2026-07-24). Relative comparison only.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
2020 Hotfix 11
Another hotfix is out... This one contains improvements for what was released in Hotfix 9 (smooth spawning) Overall smooth spawning will make the game more stable. It loads the vehicles and world asse
Emergency Patch!
We've pushed an emergency patch to hopefully fix the tuner issues people have been facing introduced in the latest patch. We're not 100% certain this stops the bug from happening, but we've not encoun
More reports on properties disappearing
We have had more reports on properties disappearing. More testing pointed out, this is a double layered bug. We found that it has something to do with building whilst in multiplayer. for now, build in
FIXED! - Game breaking bug found!
We've found a game-breaking bug in the current version of Homebrew, which can destroy properties/parts in vehicles. We're looking into this, and will upload a fix as soon as possible. We're sorry for
2020 Hotfix 10! 👏 Another 👏 Part 👏
Another day, another Hotfix! This time, introducing the Generator https://i.imgur.com/mgd4Yce.png This part will convert a drive-shaft input to an electrical output, and you can totally play around wi
Games like Homebrew - Patent Unknown
From our knowledge graph — ranked by shared traits, not a black box. Each card says why it's here.
Wrench
84.6% · 1,569 reviews
shares Transportation, Automobile Sim, Driving, Education
Automation - The Car Company Tycoon Game
93.6% · 12,668 reviews
shares Science, Automobile Sim, Education, Crafting
Mon Bazou
97.3% · 10,974 reviews
shares Automobile Sim, Driving, Choose Your Own Adventure, Crafting
Main Assembly
82.3% · 995 reviews
shares Programming, Science, Robots, Education
Plasma
90.4% · 782 reviews
shares Programming, Game Development, Robots, Choose Your Own Adventure
Eco
79.1% · 8,189 reviews
shares Transportation, Science, Education, Crafting
KitHack Model Club
77.0% · 583 reviews
shares Design Illustration, Driving, Education, Crafting
My Garage
90.3% · 1,876 reviews
shares Automobile Sim, Driving, Racing, Immersive Sim
Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-20.
| Genres | Action, Adventure, Indie, Racing, Simulation, Sports, Early Access |
| Player tags | Early Access · Choose Your Own Adventure · Exploration · Immersive Sim · Racing · Design & Illustration · Sandbox · Driving · Education · PvP · Automobile Sim · Mechs (SteamSpy community voting) |
| Features | Single-player · Multi-player · PvP · Online PvP · Partial Controller Support · Family Sharing |
| Languages | English * * |
| Estimated owners | 200,000 – 500,000 (SteamSpy) |
| Official site | http://www.homebrewgame.com |
Minimum system requirements (PC)
Minimum: Requires a 64-bit processor and operating system OS *: Microsoft Windows 7 (latest SP) 64-bit Processor: Intel i5 @ 3.0 GHz or higher (or AMD equivalent) Memory: 4 GB RAM Graphics: Nvidia Geforce GTX 550 (1GB) or better DirectX: Version 9.0c Network: Broadband Internet connection Storage: 4 GB available space Sound Card: DirectX 9.0c compatible sound card Additional Notes: We recommend a stable connection for multiplayer.