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
Recorder Hero by matthewse19 Recorder Hero
for 1 Hour Game Jam 132 (Rhythm game)

Like Guitar Hero, but there's a recorder, and no music.

Raining Cats and Dogs by matthewse19 Raining Cats and Dogs
for 1 Hour Game Jam 76 (Fall'n'Avoid)

get the cats

Asteroid Rush by matthewse19 Asteroid Rush
for 1 Hour Game Jam 74 (Two Button Controls)

Don't get hit by the asteroids!

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