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Principia is an adventure game focused on advanced mechanics and electronics. Explore generated worlds or just play around with the physics, building your own contraptions in the sandbox.

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Principia goes open source

Principia goes open source

News

Principia goes open source, development is continuing, a Linux version is available, a new community site...

Principia has been greenlit, and here's more melee weapons

Principia has been greenlit, and here's more melee weapons

News

After just over two weeks on Steam Greenlight, Principia has been greenlit and will be available on Steam in the near future.

Principia on Indiegogo

Principia on Indiegogo

News

We're raising funds to continue development of Principia, help us spread the word about our Indiegogo campaign.

Melee weapons - 1.5.1 teaser

Melee weapons - 1.5.1 teaser

News

We've added a melee weapons system for 1.5.1, check it out!

Principia free to play until Friday!

Principia free to play until Friday!

News 1 comment

We decided to let everyone enjoy the full version for free until Friday, just register an account on principiagame.com and download the game to try it...

Principia Beta 1.5 Released

Principia Beta 1.5 Released

News 5 comments

We're happy to announce that beta 1.5 is available, get it by heading over to the community website. Try the game, report bugs and do not hesitate to...