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Welcome to principia-web!

Principia-web is an unofficial community site replacement for the game Principia, as the official community site was shut down in early 2018.

In order to play and upload levels, you will need to install a mod, available on both Windows and Android, that allows the game to connect to principia-web.

What are you waiting for? Register now!

Featured levels

Latest news More

Top rated levels More

Latest custom levels More

Latest adventures More

Latest comments

krum555 commented on Ball?!: 5 days ago

Very inconsistent

krum555 commented on untitled 69: 18 days ago

XD lol

ROllerozxa commented on untitled 69: 18 days ago

this is the kind of high quality shitpost levels I hoped to play when starting principia-web, absolutely fantastic

krum555 commented on Tune in: 19 days ago

Sounds like a the PS1

krum555 commented on Tune in: 19 days ago

Yea took me a few tries but i got it down to 0 once i figured out what to listen for

MEMORY_LOST commented on untitled 69: 19 days ago

Bruh