3do: 3DO
ags: Adventure Game Studio Game Engine
amiga: Commodore Amiga
amiga1200: Commodore Amiga 1200
amiga600: Commodore Amiga 600
amigacd32: Commodore Amiga CD32
amstradcpc: Amstrad CPC
android: Google Android
apple2: Apple II
apple2gs: Apple IIGS
arcade: Arcade
astrocde: Bally Astrocade
atari2600: Atari 2600
atari5200: Atari 5200
atari7800: Atari 7800 ProSystem
atari800: Atari 800
atarijaguar: Atari Jaguar
atarijaguarcd: Atari Jaguar CD
atarilynx: Atari Lynx
atarist: Atari ST
atarixe: Atari XE
atomiswave: Atomiswave
bbcmicro: BBC Micro
c64: Commodore 64
cavestory: Cave Story (NXEngine)
cdimono1: Philips CD-i
cdtv: Commodore CDTV
chailove: ChaiLove Game Engine
channelf: Fairchild Channel F
coco: Tandy Color Computer
colecovision: ColecoVision
cps: Capcom Play System
daphne: Daphne Arcade LaserDisc Emulator
desktop: Desktop Applications
doom: Doom
dos: DOS (PC)
dragon32: Dragon 32
dreamcast: Sega Dreamcast
easyrpg: EasyRPG Game Engine
epic: Epic Games Store
famicom: Nintendo Family Computer
fba: FinalBurn Alpha
fbneo: FinalBurn Neo
fds: Nintendo Famicom Disk System
flash: Adobe Flash
fmtowns: Fujitsu FM Towns
gameandwatch: Nintendo Game and Watch
gamegear: Sega Game Gear
gb: Nintendo Game Boy
gba: Nintendo Game Boy Advance
gbc: Nintendo Game Boy Color
gc: Nintendo GameCube
genesis: Sega Genesis
gx4000: Amstrad GX4000
intellivision: Mattel Electronics Intellivision
j2me: Java 2 Micro Edition (J2ME)
kodi: Kodi Home Theatre Software
lutris: Lutris Open Gaming Platform
lutro: Lutro Game Engine
macintosh: Apple Macintosh
mame: Multiple Arcade Machine Emulator
mame-advmame: AdvanceMAME
mame-mame4all: MAME4ALL
mastersystem: Sega Master System
megacd: Sega Mega-CD
megacdjp: Sega Mega-CD
megadrive: Sega Mega Drive
megaduck: Creatronic Mega Duck
mess: Multi Emulator Super System
model2: Sega Model 2
model3: Sega Model 3
moonlight: Moonlight Game Streaming
moto: Thomson MO/TO Series
msx: MSX
msx1: MSX1
msx2: MSX2
msxturbor: MSX Turbo R
mugen: M.U.G.E.N Game Engine
multivision: Othello Multivision
n3ds: Nintendo 3DS
n64: Nintendo 64
n64dd: Nintendo 64DD
naomi: Sega NAOMI
naomigd: Sega NAOMI GD-ROM
nds: Nintendo DS
neogeo: SNK Neo Geo
neogeocd: SNK Neo Geo CD
neogeocdjp: SNK Neo Geo CD
nes: Nintendo Entertainment System
ngp: SNK Neo Geo Pocket
ngpc: SNK Neo Geo Pocket Color
odyssey2: Magnavox Odyssey2
openbor: OpenBOR Game Engine
oric: Tangerine Computer Systems Oric
palm: Palm OS
pc: IBM PC
pc88: NEC PC-8800 Series
pc98: NEC PC-9800 Series
pcengine: NEC PC Engine
pcenginecd: NEC PC Engine CD
pcfx: NEC PC-FX
pico8: PICO-8 Fantasy Console
pokemini: Nintendo Pokémon Mini
ports: Ports
ps2: Sony PlayStation 2
ps3: Sony PlayStation 3
ps4: Sony PlayStation 4
psp: Sony PlayStation Portable
psvita: Sony PlayStation Vita
psx: Sony PlayStation
samcoupe: SAM Coupé
satellaview: Nintendo Satellaview
saturn: Sega Saturn
saturnjp: Sega Saturn
scummvm: ScummVM Game Engine
sega32x: Sega Mega Drive 32X
sega32xjp: Sega Super 32X
sega32xna: Sega Genesis 32X
segacd: Sega CD
sfc: Nintendo SFC (Super Famicom)
sg-1000: Sega SG-1000
sgb: Nintendo Super Game Boy
snes: Nintendo SNES (Super Nintendo)
snesna: Nintendo SNES (Super Nintendo)
solarus: Solarus Game Engine
spectravideo: Spectravideo
steam: Valve Steam
stratagus: Stratagus Game Engine
sufami: Bandai SuFami Turbo
supergrafx: NEC SuperGrafx
supervision: Watara Supervision
switch: Nintendo Switch
symbian: Symbian
tanodragon: Tano Dragon
tg-cd: NEC TurboGrafx-CD
tg16: NEC TurboGrafx-16
ti99: Texas Instruments TI-99
tic80: TIC-80 Game Engine
to8: Thomson TO8
trs-80: Tandy TRS-80
uzebox: Uzebox
vectrex: Vectrex
vic20: Commodore VIC-20
videopac: Philips Videopac G7000
virtualboy: Nintendo Virtual Boy
wii: Nintendo Wii
wiiu: Nintendo Wii U
wiiu/roms (custom system): Nintendo Wii U
wonderswan: Bandai WonderSwan
wonderswancolor: Bandai WonderSwan Color
x1: Sharp X1
x68000: Sharp X68000
xbox: Microsoft Xbox
xbox360: Microsoft Xbox 360
zmachine: Infocom Z-machine
zx81: Sinclair ZX81
zxspectrum: Sinclair ZX Spectrum