I don't have a grand poobah favourite so to speak, but, the list of games that have stuck with me are (Off the top of my head):
- Chrono Trigger
- FF6,FF7,FF8,FF9
- Abes Odessy / Exodus
- GTA 3 / Vice City / SA
- Zelda OOT
- Simon The Sorcerer (Amiga 1200)
- LOTR BFME 1/2
- R-Type (Master...