My top game list

1. Secret of Monkey Island 1/2 (PC)
   
2. Final Fantasy VII (PC)
   
3. Wing Commander II/III/IV (PC)
   
4. Star Control II (PC)
   
5. Quest for Glory I-IV (PC)
   
6. Legend of Kyrandia 1-3 (PC)
   
7. Prince of Persia 2 (PC)
   
8. Speed Racer (PC)
   
9. Diablo (PC)
   
10. Civilization II (PC)
    
11. Indiana Jones and the Fate of Atlantis (PC)
    
12. Lemmings (PC)
    
13. Alone in the Dark (PC)
    
14. Dune 2 (PC)
    
15. Castlevania II: Simon's Quest (NES)
    
16. Street Fighter II (arcade)
    
17. Wolfenstein 3D (PC)

I've beaten all the games on this list except the last two and Lemmings.

I'm not so sure about game soundtracks, but a few of my favorites are Final Fantasy VII, the Secret of Monkey Island series, and Lemmings.