Games I’ve played that I can think of:

Advent Rising
Aliens vs. Predator 2
Baldur's Gate (1 and 2 and expansion packs)
Black
Burnout Revenge
Call of Duty 2
City of Villains
Company of Heroes
Counter Strike
Dark Messiah
Fable, The Lost Chapters
Farcry
Fear
Freelancer
Gears of War
Guitar Hero, Guitar Hero 2
Half Life, Half Life 2, Science and Industry (mod)
Halo, Halo 2
Jade Empire
Jedi Academy
Jedi Outcast
Kameo
Kings Quest
Lego Star Wars
Lemmings
Lost Planet
Lyle in Cube Sector
Monkey Island (at least two or three)
Morrowind, Bloodmoon, Tribunal, Oblivion
Myst, Uru, Riven, Exile
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Narbacular Drop
Neverwinter nights, Shadows of Undrentide, Hordes of the Underdark
Neverwinter nights 2
Prey
Prince of Persia: Sands of Time, Warrior Within, Two Thrones
Psychonauts
Rainbow Six Vegas
Rise of Legends
Silent Hill 4
Sim City, 2000
Starcraft and Broodwars
Streets of Sim City
Super Monkey Ball
Supreme Commander
System Shock
The Incredible Machine
The Sims
Titan Quest
Tom Clancy Splinter Cell (several of the series)
UT 2004
Warcraft II and III
Zork: Grand Inquisitor