Egregoros

@sun possible names:
riffing off of steam:
steampunk
punk
anhydrous
dessicated
dry
autoclave
frost

riffing off of game:
play
spill (used to be synonymous with play)
game
ludo

riffing off of free software:
liberate
free
freedom
libre
source

just mashing some of the above words together:
freeplay (already a word, may be a good thing or bad)
gamepunk
librefrost
liberate ludo
sourcepunk
freepunk
dryspill (sounds more like a cleaning product?)
ludofree / freeludo (might already exist as a free Ludo (a board game) implementation)
ludo libre
regnumludorum (latin for "realm/kingdom of games")...