Vulcano's assistant
Banned
IGN posted 21-30:
30) Jade Empire
29) Dragon Quest I
28) Fallout 2
27) Dragon Quest VIII
26) Ultima IV
25) Deus Ex
24) Baldur's Gate
23) Phantasy Star Online
22) Elder Scrolls IV: Oblivion
21) Super Mario RPG
EDIT: Going to be a lot of Bioware in that top 20. Baldur's Gate 2. KOTOR. At least one more Mass Effect. Probably Dragon Age Origins. Possibly Neverwinter Nights.
Neverwinter Nights is in 31