Top-level grouping for which platforms a game release is compatible. Can be a single platform.
3DO
Apple ///
Apple ][
Arcadia 2001
Astrocade
Atari 2600
Atari 5200
Atari 8-bit
Channel F
Coin-Op
ColecoVision
Commodore 64
Commodore PET
DOS
Dreamcast
Game Boy
Game Boy Color
Game Gear
GameCube
Genesis
Intellivision
Jaguar
Lynx
NES
Neo Geo
Neo Geo MVS
Nintendo 64
Odyssey²
PC Booter
PlayStation
PlayStation 2
SEGA Saturn
SNES
Sinclair
Standalone
TI-99/4A
TRS-80
TRS-80 Color Computer
VIC-20
Vectrex
Xbox
Xbox 360
Xbox/Xbox 360