Hmmm, I'll have to think a bit, it's been awhile since I've checked on stuffs....er....and I sold a few things But CURRENTLY in my posession are:
NES: FF1 (of course)
I did own Startropics at one point, but...it was either lost, or stolen. ... and yes, I consider startropics RPG. There are towns and overworld maps and such.
Dragon Warrior 2-4
SNES: FF4 (or FF2 if you're unleet) Which I think my friend in highschool stole from me >_<
FF6
Lufia 1
SoM
PSX: Suikoden 1
FF7
FF8 (via sister)
Tales of Eternia (aka destiny 2 for some wierd reason)
Wild Arms 1
Beyond the Beyond (came with the PSX when parents got it for xmas)
Legend of Dragoon
Shin Megami Tensi: Persona
Legend of Legaia 1
Star Ocean 2
Alundra 1
Azure Dreams
Dragon Warrior 7
Saga Frontier
Lunar: Silver Star
Lunar: Eternal Blue
Thousand Arms
(that's all i can remember offhand, and i'm at campus so I can't check)
PS2: FFX
Xenosaga 1st ep
Wild Arms 3
Star Ocean 3
Unlimited Saga
Kingdom Hearts 1
Gamecube:
Tales of Symphonia
Skies of Arcadia
PC: Baldur's Gate 1 and 2 (though the cd's for 1 got warped during the move, so not sure if that counts)
Icewind Dale 1 (but i've played 2 as well)
Kotor: 1 and 2
NWN
Fallout series
Morrowind
Daggerfall
DAoC (dark age of camelot)
Planescape: Torment
Temple of Elemental Evil
Ultima Series (have the collection, 8, and 9)
Redguard (which is buggy, and kinda sucks, shame on bethesda)
Battlespire (also kinda just...meh)
PoR: Ruins of Myth Drannor: (was kinda nice, if a bit slow)
note: I don't really consider Dungeon Siege or Diablo RPG, I consider them hack'n'slash, though I have them
I think that's all I can remember off the top of my head for now :/ I'll have to go digging through things later...if i feel like it...maybe...
*edit* forgot a couple PSX games hehe.
Breath of fire 3 and 4
FF Origins
Chrono Cross
PS2: Breath of Fire: Dragon Quarter
*edit again* Also forgot Brave Fencer Musashi, though some might not call that an RPG