25. Duke Nukem 3D (action, 1996)
24. Wasteland (RPG, 1988)
23. Unreal Tournament (action, 1999)
22. Syndicate (strategy, 1993)
21. Aces of the Pacific (sim, 1992)
20. Sam & Max hit the Road (puzzle/funny, 1993)
19. Homeworld (RTS, 1999)
18. Wing Commander II: Vengeance of the Kilrathi (sim/action, 1991)
17. Command & Conquer: Red Alert (RTS, 1996)
16. Populus: Trials of the Olympian Gods (?, 1993)
15. SimCity/ SimCity 2000 (sim/strategy, 1993)
14. Star Wars: TIE Fighter (sim/action, 1994)
13. Alone in the Dark (3D action, 1992)
12. Elite (combat sim, 1987)
11. Diablo (action/RPG, 1997)
10. Half-Life (action, 1998)
9. Master of Magic (RPG,1995)
8. Doom (action, 1993)
7. StarCraft (RTS, 1998)
6. Tetris (puzzle, 1988)
5. Ultima Underworld: The Stygian Abyss (RPG, 1992)
4. Civilization (strategy, 1991)
3. Pirates! (strategy/adventure, 1988)
2. Dune II: The Building of a Dynasty (RTS, 1992)
1. XCOM: UFO Defense (?, ?)