- Buy Quake - http://store.steampowered.com/sub/434/
- Darkplaces Engine - https://icculus.org/twilight/darkplaces/
Single Player/Co-Op Mods:
- Nehahra - http://www.moddb.com/mods/nehahra/
- Abyss of Pandemonium - http://www.moddb.com/mods/abyss-of-pandemonium
- Quake 1 Levels - https://www.quaddicted.com/
Multiplayer Mods:
- Requiem - http://www.reqoning.com/
- Future vs Fantasy Client/Maps - http://fvfonline.com/
- Future vs Fantasy Server Package - http://www.quakewiki.net/quake-1/mods/future-vs-fantasy/
- Team Fortress 1 - http://www.moddb.com/mods/team-fortress
- Team Fortress 1 Levels - https://www.quaddicted.com/files/idgames2/planetquake/planetfortress/maps/
- Mega TF Addon for TF1 - http://www.campu.org/infinity/
- Rocket Arena - http://www.skynet.ie/~leanaht/quake/mods/farena12.zip
- Rocket Arena Levels - http://quakeone.com/files/2-maps/5-rocket-arena-maps-ez-installer/
- Allstar CTF - https://www.quaddicted.com/files/idgames2/planetquake/captured/allstar2/
- Star Wars CTF - https://www.quaddicted.com/files/idgames2/planetquake/captured/swctf/
- DM4 Deathmatch Mode - ftp://ftp.fu-berlin.de/pc/games/idgames2/quakec/deathmatch/ (Download dm4-qw2.0.zip)
Thank you Quaddicted for hosting a BACKUP of the files IGN hosed when they took down the Gamespy Network - https://www.quaddicted.com/files/idgames2/planetquake/
The Hammer level editing tool that Valve used and you can get for Source... before it was called The Hammer, it was called WORLDCRAFT, for Quake: https://www.quaddicted.com/files/idgames2/planetquake/worldcraft/
