What systems do you or have you owned?

[lucidium]

Wonderswan: Chocobo no Fushigi
NeoGeo Pocket Color: Metal Slud 2nd Mission
NeoGeo CD: Samurai Showdown
NeoGeo AES: Metal Slug 3
NEC PC Engine: R-Type I
NEC PC Engine CD: Asuka 120% Maxima Burning Fest
Sega Master System: Choplifter
Sega Nomad / Sega Genesis: LHX
Sega 32X: Virtua Racing Deluxe
Sega Genesis CD: Sonic CD
Sega Game Gear: Gunstar Heroes
Sega Saturn: Grandia
Amstrad CPC: Saboteur
Sega Dreamcast: Ikaruga
Panasonic 3DO: The Need For Speed
Phillips CDI: Mad Dog McCree
PlayStation: Tenchu 1
PlayStation 2 + PSX (dvr): Ace Combat Zero
PlayStation 3: Ace Combat Infinity
PlayStation 4: TBA
Famicom: 忍者じゃじゃ丸くん
Famicom Disk System: The Goonies
Nintendo 64: Project J2
Nintendo Gamecube: Resident Evil 0
Super Famicom: Assault Suits Valken
MSX: Metal Gear
Xbox: Phantom Dust
Xbox 360: Forza 4
Xbox One: TBA
Nintendo DS: Flipnote studio
Nintendo 3DS: Monster Hunter 4
Sony PSP: God Eater
Sony PSVita: God Eater 2
Gamepark GP32: Rally Pop
Gamepark GP2X: Commander Keen
Sega Naomi: Melty Blood : Act Cadenza Version B2
Pocketstation: Chocobo Dungeon
Nintendo Wii: Fragile Dreams
Nintendo WiiU: ZombiU
Nintendo Gameboy + Gameboy Color: Metroid 2 Return of Samus
Nintendo Gamboy advanced: Swordcraft Story
Sega SG-1000: Exerion
Atari 2800 (Japanese 2600): Xenophobe
Atari Lynx: California Games
Atari Jaguar: Another World
Commodore 64 + Commodore 128: S.E.U.C.K
Commodore 64 1541 Disk System: Mayhem in monsterland
Commodore Amiga: Monkey Island
Commodore Plus4: Treasure Island
Ouya / Android stuff: Line Pop

Probably missed a fair few, just off the top of my head.