Open-source one: Xonotic
https://xonotic.org/
This is the one that I still fire up with my friends once in awhile. The only problem is it sort of lacks the charm and nostalgia, and it's a bit rough around the edges in parts (the gun selection is fairly abysmal and don't feel right IMO).
This is the one that I still fire up with my friends once in awhile. The only problem is it sort of lacks the charm and nostalgia, and it's a bit rough around the edges in parts (the gun selection is fairly abysmal and don't feel right IMO).