Here are my types (in alphabetical order):

- BirdieShoot
- ChangeIt
- Dune Legacy (buggy, but completeable)
- Free Heroes II (buggy, but playable)
- Fortis
- Freespace I & II
- Giana's Return
- Heretic II
- Hex-a-hop (a nice logical game)
- Homeworld (a must have!)
- Legion (SDL remake, buggy but completeable, Polish classic Amiga game)
- OpenTyrian (a must have!)
- Primate Plunge (small but fun)
- Pushover (SDL remake of a classic Amiga game)
- Quakes
- RTCW
- Uplink
- Wipeout 2097
- XMoto

...and a dozen of ScummVM games (like FOTAQ, MI, MI2, COMI, Sam&Max, Full Throttle, Indiana Jones and so on...)