found in many first-person shooters such as Quake, Unreal Tournament, Tribes and Halo Combat Evolved. Each team has a flag and the players attempt to take the enemy's flag from their base and bring it back to their own flag to score

CTF] A team based modification widely played in Quake-1 and later games. Two teams have each their own flag, which they must protect from the other team, but at the same time try to steal the other team's flag, and carry it home to score. Many later modifications have been based upon the same Capture The Flag concept, but 'Threewave Capture the Flag' was the first.

Capture the flag (CTF) is a traditional outdoor game often played by children where two teams each have a flag and the objective is to capture the other team's flag, located at the team's "base", and bring it back to their own base. It is also a popular paintball game and a computer game.