Neverwinter nights 1, Basically any Elder Scrolls, Kult Heretic Kingdoms, Diablo 1, Original Doom 

Well, let's see (reading my playlist):

1. Contra Hardcorps - R.A.V.E

2. Contra Rebirth - Boss 2 (remix of GTR Attack from Contra Hardcorps)

3. Gaia Crusaders - The Town of Ruins (4th stage)

4. Valkyrie Profile - Confidence in the Domination

5. Live A Live - Megalomania

6. Treasure of the Rudras - The Flame and The Arrow

7. Secret of Mana - Battle Against Thanatos

8. Castlevania - Order of Ecclesia - Sorrow's Distortion

9. Undercover Cops - Nasty Loud Quack

10. Shining Force - Town theme

11. Castlevania Bloodlines - Iron Blue Intention (also available in Portrait of Ruin)

I could add some of Tales Of series opening track there but I'll end my list there :).

Brütal Legend for the win!

I'm also fond of Quest for Glory 1 and 4.