There's now a new Quake game in the works, and already it appears to be enjoying a similar renaissance. Yesterday MachineGames, the studio behind Wolfenstein: The New Order, released an entirely new episode for the original Quake in celebration of its 20 year anniversary, and you can play it entirely for free.
http://motherboard.vice.com/read/twe...pisode-appears
https://games.slashdot.org/story/16/...20-years-later
http://motherboard.vice.com/read/twe...pisode-appears
https://games.slashdot.org/story/16/...20-years-later