Cywb is a multiplayer modification for unreal tournament which brings several gametypes centered around the construction of "cywbs" to build bases or solve puzzles list of gametypes: Cywb CTF - both teams build their bases and play capture the flag on them, at the end of a game the teams are switched and you go against your own base while defending the enemies Cywb Climb - deathmatch/team deathmatch gametype, gain 1 cywb for each kill and build your way up to a goal to win Singleplayer puzzles - solve solutions to puzzles using a certain amount of cywbs