Holla Forums what are some good free FOSS multiplayer games we can play together?

There's usually a general for it but I honestly haven't played in months I like UT4's weapons and maps more, noone will ever make a gun more fun than the flak cannon

Minetest

Urban Terror
Open Arena

Why aren't there any free RPGs? More than that, why aren't there any free multiplayer RPGs?

Get in niggers

but thats not free or linux

Doom

Super Tux Kart
MULTIPLAYER NEVER EVER
Stepmania
Serious Sam
Zandronum/GZDoom
Quakespasm/Darkplaces

search your repository of fun gaems

It is completely free you twit

How