The QuakeCon pack includes all ID and Bethesda software. Check the deal out HERE. Ends on the 8th Aug. You're basically paying around £1.60 per game. This package includes the 2006 and 2008 games of the year (Oblivion and Fallout 3).
BRINK
Call of Cthulhu®: Dark Corners of the Earth
Commander Keen
DOOM 3
DOOM 3 Resurrection of Evil
DOOM II
Fallout 3: Game of the Year Edition
Fallout New Vegas: Dead Money
Fallout New Vegas: Honest Hearts
Fallout New Vegas: Old World Blues
Fallout: New Vegas
Final DOOM
Heretic: Shadow of the Serpent Riders
HeXen II
HeXen: Beyond Heretic
HeXen: Deathkings of the Dark Citadel
Hunted: The Demon’s Forge™
Master Levels for Doom II
QUAKE
QUAKE II
QUAKE II Mission Pack: Ground Zero
QUAKE II Mission Pack: The Reckoning
Quake III Arena
QUAKE III: Team Arena
Quake IV
QUAKE Mission Pack 1: Scourge of Armagon
QUAKE Mission Pack 2: Dissolution of Eternity
Return to Castle Wolfenstein
Rogue Warrior
Spear of Destiny
The Elder Scrolls III: Morrowind® Game of the Year Edition
The Elder Scrolls IV: Oblivion® Game of the Year Edition Deluxe
The Ultimate Doom
Wolfenstein 3D