List of all 69 platforms featured so far:
3DO
Amstrad CPC
Arcade
Arcadia 2001
Atari Lynx
Bandai Datach Joint ROM System
Bandai Playdia
Bandai Sufami Turbo
Bandai WonderSwan
Bandai WonderSwan Color
BS - Broadcast Satellite
Commodore 64
Commodore Amiga CD32
Epoch Cassette Vision
Fujitsu FM Towns
Fujitsu FM-7
LCD
Microsoft Xbox
Microsoft Xbox360
Mobile
MSX Turbo R
MSX1
MSX2
Nec PC Engine
Nec PC Engine CD
Nec PC-8801
Nec PC-9801
Nec PC-FX
Nec SuperGrafx
Nintendo 3DS
Nintendo 64
Nintendo DS
Nintendo e-Reader
Nintendo Famicom
Nintendo Famicom Disk System
Nintendo Game Boy
Nintendo Game Boy Color
Nintendo Game Cube
Nintendo GameBoy Advance
Nintendo Power
Nintendo Super Famicom
Nintendo Super Game Boy
Nintendo Wii
Nintendo Wii U
Online
PC
Sega 32X
Sega Dreamcast
Sega Game Gear
Sega Master System
Sega Mega CD
Sega Megadrive
Sega Pico
Sega Saturn
Sega SG-1000
Sharp X1
Sharp X68000
Sinclair ZX Spectrum
Slot machine
SNK Neo Geo
SNK Neo Geo CD
SNK Neo Geo Pocket
SNK Neo Geo Pocket Color
Sony PlayStation
Sony PlayStation 2
Sony PlayStation 3
Sony PlayStation 4
Sony PSP
Sony PS Vita