Every Saturday at 20:00 UTC

Next jam:

This weekend (10-12 July) is Game Maker's Toolkit Jam. One Hour Game Jam will still happen, but most of us will be doing GMTK Jam instead, so expect lower participation.
Sliding Puzzle by Sliding Puzzle
for 1 Hour Game Jam 46 (Puzzle)
Monsters eats apples by Monsters eats apples
for 1 Hour Game Jam 44 (Monster)
One Hour Game Jam is open-source, Get One Hour Game Jam software on GitHub.
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Established 2015