Quake update 4 is out, timed to coincide with the kick-off of this year’s QuakeCon, and it adds the classic capture the flag mod Threewave CTF to the modern version of the old-school FPS game. Originally published in 1996, Threewave CTF was an instant hit, and helped popularise a game mode that would eventually be included in all the big multiplayer shooters for decades to come.

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