Man, waaaaaaaaay too many games to name, especially when we bring PC games into it.
Plus I know I'd forget this or that arcade game that I enjoyed.
For purposes of gaming, I'll limit this to pre-2000 games.
Tops on my list include:
Arcade:
- Star Wars (especially the sit-down version. I also include the sequels with this)
- Galaga
- Tron and Discs of Tron
- Dragon's Lair (although I always got my ass kicked in that game)
- Gauntlet
- Rampage
- Demolition Derby
- Rolling Thunder
NES:
- Bionic Commando
- Metroid
- Excitebike
- Super Mario Bros 1, 2, 3
- Contra
- Duck Hunt (someone PLEASE mod the ability to SHOOT THAT LAUGHING DOG!!!)
- Rampage
- Double Dragon 1 and 2
- Ninja Gaiden
SNES
- Super Star Wars, Super Empire Strikes Back, Super ROTJ
- Super Street Fighter 2
Playstation 1:
- Soul Blade
PC:
- GORF (played on Commodore Vic-20)
- The AD&D "Gold Box Games" from SSI (played on Apple IIC)
- The various Carmen Sandiago games (Apple IIC)
- Lode Runner (Apple IIC)
- Chuck Yeager's Air Combat (PC - 386)
- Space Quest series (PC - 386 through Pentium I)
- LucasArts adventure games (Monkey Island games, LOOM, The Dig, Full Throttle -- PC 386 - Pentium II)
- Tex Murphy games (PC - 386 through Pentium II)
- X-wing/Tie Fighter games (PC - 386 through Pentium II)
- Wing Commander games (PC - 386 through Pentium II)
- Civ games (PC - 386 to present)
- Master of Orion 1 and 2 (PC - 485 through Pentium I)
- Star Control 2 (PC - 386 -- still one of THE best games I've EVER played)
- X-Com 1, 2, and 3 (PC - 485 through Pentium II)
- Wolfenstein 3D (PC - 386)
- Out of This World (PC - 386)
- Doom 1 (PC - 486)
- Quake 1 and 2 (especially Team Fortress 1, Loki CTF, and Weapons Factory PC - Pentium I and II)