Just for the hell of it, I decided to keep track of every single video game I own. What I found is that I own well over 300 of them, as well as over a dozen systems. Just for the sake of showing off and to pique your curiosity on just how big of a video game collector I am, I'm going to upload the full list here. The following are games and video game consoles I own.

3DO

Hell: A Cyberpunk Thriller
Starblade

Atari 2600/7800

Activision Decathalon
Asteroids
Astroblast
Basic Programming
Battlezone
Berzerk
Breakout
Circus Atari
Cosmic Ark
Defender
Demons to Diamonds
E.T: The Extra Terrestrial
Fantastic Voyage
Frogger
Joust
Jungle Hunt
Kaboom!
Kangaroo
Krull
Laser Blast
Megamania
Missile Command
Mouse Trap
Oink!
Phoenix
Pitfall!
Plaque Attack
Pac Man
Seaquest
Space Attack
Space Cavern
Space Invaders
Spider Fighter
Starmaster
Star Raiders
Super Breakout
Surround
Turmoil
Vanguard
Venture
Warlords
Yar's Revenge
Asteroids (7800)
Ballblazer (7800)
Centipede (7800)
Choplifter (7800)
Desert Falcon (7800)
Dig Dug (7800)
Donkey Kong (7800)
Food Fight (7800)
Galaga (7800)
Mario Bros. (7800)
Ms. Pac Man (7800)
Pole Position II (7800)
Robotron 2084 (7800)
Xevious (7800)
Trackball (Other)

FM Towns Marty

4D Boxing
Galaxy Force II
Genocide II
Keyboard (Other)

Gameboy/Gameboy Color

Metroid II
Pokemon Blue
Super Mario Land 2
Tetris
Megaman XTreme (GBC)
R-Type DX (GBC)
Wario Land II (GBC)

Neo Geo

Fatal Fury II
Fatal Fury Special
Magician Lord
Samurai Shodown II

Nintendo 64

Banjo Kazooie
Bust a Move 2
Kirby 64
Legend of Zelda: Majora's Mask
Legend of Zelda: Ocarina of Time
Paper Mario
Perfect Dark
Starfox 64
Super Mario 64

Nintendo DS/Gameboy Advance

Advance Wars: Days of Ruin
Animal Crossing: Wild World
Contra 4
Final Fantasy III
Legend of Zelda: Phantom Hourglass
Mario and Luigi: Partners in Time
New Super Mario Bros.
Castlevania: Aria of Sorrow (GBA)
Golden Sun (GBA)
Gradius Galaxies (GBA)
Gunstar Super Heroes (GBA)
Legend of Zelda: Minish Cap (GBA)
Megaman Zero 2 (GBA)
Metroid Fusion (GBA)
Sonic Advance (GBA)
Sonic Advance II (GBA)
Sonic Advance III (GBA)

Nintendo Entertainment System w. Famicom Disk System

42 in 1 (bootleg game D8!!!)
Batman (boxed)
Battle of Olympus
Bionic Commando
Castlevania
Castlevania II
Castlevania III (boxed)
Clash at Demonhead (boxed)
Contra
Double Dragon
Dragon Warrior
Dr. Mario (boxed with manual)
Duck Tales
Faxanadu
Final Fantasy (boxed with manual and maps)
Gradius
Guardian Legend (boxed with manual)
Ice Hockey (boxed)
Kirby's Adventure
Legend of Zelda (boxed with manual)
Legend of Zelda 2
Life Force
Megaman 2
Megaman 3
Megaman 4
Metroid
Milon's Secret Castle (boxed)
Ninja Gaiden III
Punch Out
River City Ransom (boxed)
Shatterhand (broken)
Street Fighter 2010
Super C (broken)
Super Mario Bros./Duck Hunt (boxed with manual)
Super Mario Bros. 2
Super Mario Bros. 3 (boxed with manual)
Teenage Mutant Ninja Turtles
Teenage Mutant Ninja Turtles 2
Teenage Mutant Ninja Turtles 3
Tetris
Kid Icarus (FDS)
Mystery of Castle Murasame (FDS)
Some Wierd Chibi Gundam Game (FDS, broken)
Section Z (FDS)
Super Mario Bros. 2 AKA: The Lost Levels (FDS)
Converter (Other)
NES Advantage (Half broken, it seems to work when it feels like it, Other)

Nintendo Wii/Gamecube

DeBlob
Legend of Zelda: Twilight Princess
Link's Crossbow Training
Mario Kart Wii
Metroid Prime III: Corruption
Super Mario Galaxy
Super Smash Bros. Brawl
Wario Land Shake It!
Wii Fit
Wii Play
Wii Sports
F-Zero GX (GC)
Legend of Zelda: Collector's Edition (GC)
Legend of Zelda: Wind Waker (GC)
Metroid Prime (GC)
Paper Mario: Thousand Year Door (GC)
Pikmin (GC)
Pikmin 2 (GC)
Super Smash Bros. Melee (GC)
Timesplitters 2 (GC)
Wii Wheel (Other)
Wii Zapper (Other)

PC Engine Duo (Turbo Duo)

Bomberman
Keith Courage in Alpha Zones
Space Harrier (Jp)
Browning (CD, Jp)
Buster Bros. (CD, Jp)
Snatcher (CD, Jp)
Startling Odyssey II (CD, Jp)
Memory Bank (Other)
Multitap (Other)
PC Engine Converter (Other)

Playstation/Playstation 2

Air Combat
Armored Core
Bushido Blade 2
Castlevania: Symphony of the Night
Colony Wars
Command and Conquer
Crash Bandicoot 2: Cortex Strikes Back
Future Cop LAPD
Final Fantasy VII
Final Fantasy VIII
Final Fantasy IX
Jet Moto 2
Legend of Legaia
Megaman 8
Megaman X4
Megaman X5
Metal Gear Solid
Ogre Battle
Tekken 3
Twisted Metal 2
Twisted Metal 4
Wipeout 3
Ace Combat 5 (PS2)
Armored Core: Silent Line (PS2)
Final Fantasy X (PS2)
Guilty Gear X2 (PS2)
Kingdom Hearts (PS2)
Kingdom Hearts II (PS2)
Rockband (PS2)
Soul Calibur III (PS2)
Rockband Instruments (Other)

Sega Dreamcast

Bust a Move 4
Crazy Taxi
Jet Grind Radio
Marvel vs. Capcom 2
Outrigger
Phantasy Star Online: Version 2
Power Stone II
Quake III: Arena
Skies of Arcadia
Sonic Adventure
Vigilante 8: Second Offense
Virtua Fighter 3tb

Sega Game Gear

Arcade Classics
Dr. Robotnik's Mean Bean Machine (PINGAS!)
G-Loc
Jurassic Park
Mighty Morphin Power Rangers
Revenge of Drancon
Sonic Chaos
Sonic the Hedgehog 2
Streets of Rage
Streets of Rage 2
Super Columns
Super Monaco GP
X-Men
World Series Baseball
Carrying Case (Other)
Rechargeable Battery Pack (Other)
Screen Magnifier (Other)

Sega Genesis w. Sega CD

Adventures of Batman and Robin
After Burner II
Altered Beast
Bonanza Bros.
Comix Zone
Double Dragon III
Dynamite Headdy
Echo 2: The Tides of Time
Eternal Champions
Golden Axe
Gunstar Heroes
Kid Chameleon
Maximum Carnage
Michael Jackson's Moonwalker
Mickey Mouse and the Castle of Illusions
Mortal Kombat
Mortal Kombat III
NBA Jam
Phantasy Star IV
Ranger X
Rocket Knight Adventures
Saturday Night Slam Masters
Shadow Dancer: Secret of Shinobi
Shinobi III
Sonic and Knuckles
Sonic the Hedgehog
Sonic the Hedgehog 2
Sonic the Hedgehog 3
Space Harrier II
Spiderman vs. the Kingpin
Streets of Rage
Streets of Rage II
Strider
Taz Mania
Toejam and Earl II: Panic on Funkotron
Vectorman
Virtua Racing
Weaponlord
Wonder Boy in Monster World
X Men
Sewer Shark (AKA: Shit Shark, Sega CD)
Sol Feace (Sega CD)
Sonic CD (Sega CD)
ASCII stick (Other)

Sega Saturn

Christmas Nights (Jp)
Fighting Vipers
Last Bronx
Panzer Dragoon
Puyo Puyo Tsu (Jp)
Quake
Sonic 3D Blast
Street Fighter Alpha
Virtua Fighter II
X-Men: Children of the Atom
Virtua Cop (Jp)
Wipeout
Action Replay (Other)

Super Nintendo

Breath of Fire II
Chrono Trigger
Cybernator
Donkey Kong Country
F-Zero
Final Fantasy II
Final Fantasy III
Gradius III
Kirby Super Star
The Legend of Zelda: A Link to the Past
Mario Paint
Megaman X
Megaman X2
R-Type III
Street Fighter II Turbo
Super Mario All Stars
Super Mario RPG
Super Mario World
Super Metroid
Super Punch Out
Super R-Type
Super Street Fighter II: The New Challengers
UN Squadron
CPS Fighter Stick (Other)
Mario Paint Mouse and Board (Other)
Super Gameboy (Other)

Note that I don't count Playstation 3, because it's my brother's and not mine, and I don't count burned games or PC games. What games and systems do you own? Let me know!

Oh, and I counted all the games. I own 303, which is actually significantly less than what I expected.

~EpsilonEagle