32x,
3do,
acorn,
action games,
adventure games,
amiga,
amstrad cpc,
apple,
arcade,
atari, chip-8,
colecovision,
commodore 64,
dos,
dreamcast,
educational games,
emulation,
famicom disk system,
fighting games,
first person shooter games,
fm towns,
game boy,
game gear,
gamecube, genesis/mega drive,
indie games,
intellivision,
jaguar,
lynx,
macintosh,
massively multiplayer online games, mini/micro games,
msx,
music games,
nec,
neo-geo,
neogeo pocket color, nes/famicom,
nintendo,
nintendo 64,
nuon,
pc,
pinball,
platform games,
playstation,
playstation 2,
puzzle games,
role-playing games,
roms,
saturn,
sega, sega cd/mega-cd,
sega master system, shmup games,
simulation games, snes/super famicom,
sony,
sports games,
stealth games,
strategy games, turbografx-16/pc-engine,
unreleased games,
vectrex,
virtual boy, wii virtual console,
wiiware,
windows,
wonderswan,
xbox,
xbox live arcade,
zx spectrum 
