Every Saturday at 20:00 UTC

Next jam:

This weekend is Ludum Dare! One Hour Game Jam 209 will still happen, but most of us will be doing Ludum Dare instead, so expect low participation.
One-Button Civ by frosty One-Button Civ
for 1 Hour Game Jam 101 (One Button)

Advance your civilization as the centuries go by... Instructions at bottom of screen.

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