Have played but others probably haven't: 1. Escape From Castle Wolfenstein(Apple IIe) - "Schweinhund!" through a PC speaker. Enough said. Very scary when those SS catch on to you. 2. Alone in the Dark(PC) - The first in the series. This game defines the Survival-Horror genre for me. 3. Psychonauts(PC) - You need to play this. Seriously, now! 4. Faxanadu(NES) - Has some of the coolest music from the NES era. 5. Loderunner(Apple IIe) - This will consume you until you've beaten every level. Then the editor will digest you. After that, you're on your own.

Never played but should have: 1. Entire Metal Gear Series, except for Twin Snakes(GC) and Acid(PSP) 2. Entire Megaman Series except for Powered Up(PSP) 3. Eternal Darkness(GC) (been looking for this) 4. Indigo Prophecy(PC) (playing the demo doesn't count) 5. Halo 1 and 2(XBOX)