Every Saturday at 20:00 UTC

Next jam:

Next week is the 200th One Hour Game Jam! Woo! Aaaand it clashes with Alakajam! So participate in whichever jam you wish, One Hour Game Jam will still be here the weekend after Alakajam after all :D
Don't jump in head first!
for 1 Hour Game Jam 180 (Falling)

Avoid the boulders

Darkness Something Blah... by seljanka Darkness Something Blah...
for 1 Hour Game Jam 179 (Darkness)

U shoot enemies and it's black...

Eating Paradox
for 1 Hour Game Jam 178 (Consume)

You have to eat everything!

One Hour Game Jam is open-source, Get One Hour Game Jam software on GitHub.
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Established 2015