2D Platformers
Abuse
Alien Rampage
Bio Menace (freeware)
Commander Keen (episodes 1-6 & Keen Dreams)
Cosmo's Cosmic Adventure
Crystal Caves
Duke Nukem
Duke Nukem II
Jazz Jackrabbit
Jazz Jackrabbit 2
Jill of the Jungle
Mega Man X
Secret Agent
Xargon
First-Person Shooters
Blake Stone
Planet Strike (basically Blake Stone 2, I guess)
Blood
Dark Forces
Dark Forces 2: Jedi Knight
Jedi Knight: Mysteries of the Sith
Jedi Knight 2
Jedi Knight Jedi Academy
Descent
Descent 2
Descent 2: The Vertigo Series
Descent 3
Descent 3: Mercenary
Duke Nukem 3D
Half-Life
Half-Life: Opposing Forces
Half-Life: Blueshift
Half-Life 2 (if you run it in DX7 or maybe even DX8 mode)
No One Lives Forever
No One Lives Forever 2 (probably won't be able to max it out, though)
Outlaws
Red Faction
Serious Sam: The First Encounter
Serious Sam: The Second Encounter
Wolfenstein 3D
Scrolling Space/Air Shooters
Major Stryker (freeware)
Raptor
Tyrian 2000 (freeware)
Strategy
Lemmings (all of them in the series)
Red Alert 2
Yuri's Revenge
Rollercoaster Tycoon
Rollercoaster Tycoon: Loopy Landscapes
Rollercoaster Tycoon 2
Tiberian Sun
Tiberian Sun: Firestorm
Warcraft 3
Warcraft 3: The Frozen Throne
War of the Ring
Other
Crusader: No Remorse
Crusader: No Regret
Diablo 2
Diablo 2: Lord of Destruction
Heartlight
Myst
Riven (best game of all time)
Myst 3
Uru and expansions
Има уште, ке ги пишам вгодина