I have a whole heap of demos if that counts.
All the legit games I have, I've either never looked at them or played them for about an hour, though, most of these are ones that are packaged with something else / given to me as gifts.

Dr. Soup Wrote:

hecaitomix Wrote:

Dr. Soup Wrote:Not listing them all, but...

Metal Gear (PS2, Subsistence version)
Metal Gear 2: Solid Snake (PS2, Subsistence version)
Metal Gear Solid (PSone)
Metal Gear Solid: The Twin Snakes (GC)
Metal Gear Solid 2: Sons of Liberty (PS2)
Metal Gear Solid 2: Substance (PS2)
Metal Gear Solid 3: Snake Eater (PS2)
Meatl Gear Solid 4: Guns of the Patriots [SPECIAL EDITION] (PS3)

*Dr. Soup says: Hehehe, meh's the mitee MGS-Geek!!!1!

there's a special version in ps1 right? the integral version where it includes the vr mission disc.

you need to get the psp ones XD, to complete it legitly lol.

Completly forget them while writing this, but I also have them. Gonna hack my post, thanks. About the integral version: damn, have to get it then

By the way:

what about the metal gear game for nes??

Meh, I'll list only a handful of them.

PSP
A lot, thanks to piracy. (can't be bothered with this one)

PS3
Not that many (no) thanks to too many modern gamers demanding FPS and Simulators. (So I can be bothered here)

Sonic the Hedgehog (2006)
Sonic Unleashed
BlazBlue
Eternal Sonata
Disgaea 3
Star Ocean 4
Street Fighter 4
Megaman 9

PC
Don't get me started with all the doujin games sitting on my HDD.

Mobile Phone
None, except the in built one. My phone is only used to make phone calls though.

iPod
Whatever the Rockbox firmware came with for first gen Nanos

Wii
Can't be bothered with this one even though I don't have many games for it either

And I just generally cannot be bothered.

Twit | DA | G+ | Last.fm

Obviously these are games I own... not Sparker ;)

All these are ones I actually bought. Most of these are off memory since I'm not at home atm. But generally these ones get the most use.

NDS
Etrian Odyssey
Etrian Odyssey II: Heroes of Lagaard
Ace Attorney: Phoenix Wright
Phoenix Wright: Justice for All
Phoenix Wright: Trials and Tribulations
Pokemon Diamond
Final Fantasy IV
Final Fantasy III
Hotel Dusk: Room 211
Rondo of Swords
Final Fantasy Tactics A2
New Super Mario Bros.
Mario Kart DS

(These are games I've actually bought. For ones on Flash.... there's numerous.)

GBA
Final Fantasy V Advance
Final Fantasy Tactics Advance
Tactics Ogre: The Knights of Lodis
Golden Sun: The Lost Age

(Uh... yeah... that's it. GBA doesn't have enough good games. Plus I lost GS1 ;_;)

PS3
Valkyria Chronicle
Disgaea 3: Absence of Justice
Eternal Sonata
Star Ocean: The Last Hope
Street Fighter IV

GCN
Fire Emblem: Path of Radiance
Skies of Arcadia Legends
F-Zero GX
Ikaruga

(Also used to have Tales of Symphonia but I gave it away. I should get around to getting a replacement copy >_>)