Ludum Dare is an event where you create a game from scratch in a weekend based on a theme.
Themes are suggested and chosen by the community. Theme Suggestions are accepted starting 5 weeks before the event. Theme Voting kicks off 2 weeks before the event.
The theme is revealed at the start of the event.
Ludum Dare games are submitted to 1 of 2 categories: the Jam or the Compo.