Homebrew: Patent Unknown
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About Homebrew: Patent Unknown
Homebrew: Patent Unknown is a vehicle-building sandbox where you assemble and test land vehicles, aircraft, boats and more. You can combine ordinary parts with logic components to create machines such as autopilot vehicles, stabilizing systems, transforming vehicles and robotic arms.
Build and experiment
You can customize your creations with parts including engines, wheels, wings and weapons. The game models land vehicle physics, aerodynamics and water dynamics, including waves, so you can put your designs to the test.
Explore the world
The world contains multiple islands where you can test your vehicles. It has a dynamic day-and-night cycle and weather system, and is large enough for testing cars, boats, supersonic planes and other vehicle types.
Multiplayer
You can play online and battle with friends.
Frequently asked questions
The best price for Homebrew: Patent Unknown is $0.73 at Gameseal. That is 95% less than on Steam, where it costs $14.99. 10 shops have an offer that activates in your country.
Some are. This page only shows offers that activate in your country; offers for other regions, or with no stated region, are left out. To see the offers for another country, change your country at the top of the page.
Every key we list activates on Steam. Redeem the key there and Homebrew: Patent Unknown stays in your library for good.
Yes, with a small risk. Publishers create keys to sell in other shops, which is why a key can cost less than in the official store, and once you activate it the game is yours to keep, just like a store purchase. On average 1–2% of keys fail, so check the shop's buyer protection before you buy: the official store does not refund keys bought elsewhere.
The minimum requirements for Homebrew: Patent Unknown are: Windows 7, GeForce GTX 550, Intel Core i5, 4 GB RAM, 4 GB storage. It runs on Windows only. The recommended specs are in the System requirements section.
Yes. Homebrew: Patent Unknown has multiplayer and a single-player mode. It supports online PvP.
Yes. Homebrew: Patent Unknown is the full base game. You need nothing else to play it.
Buy Homebrew: Patent Unknown 95% cheaper than on Steam.
Homebrew: Patent Unknown is available for 95% less in shops such as Gameseal, K4G, or Eneba.
Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.
Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.











