This is a list of release dates for consoles to help determine which category a game release should go in if it is for multiple consoles.
Acorn BBC Micro A/B - December 1 1981
Acorn Electron - August 25 1983
Acorn BBC Micro B+ - mid-1985
Acorn BBC Master - early 1986
Amstrad CPC - 1984
Amstrad PCW - September 1985
Apple II - June 1977
Atari Video Computer System (VCS) - September 1977
Atari 2600 - Novermber 1982
Atari ST - June 1985
Atari 7800 [US] - May 1986
Atari 7800 [EU] - 1987
Atari 400 - 1979
Atari 800 - 1979
Atari 1200XL - 1983
Atari 600XL - 1983
Atari 800XL - 1983
Atari 65XE - 1985
Atari 130XE - 1985
Atari 800XE - 1985
Commodore VIC-20 [US/EU] 1981
Commodore 64 - August 1982
Commodore 16 - 1984
Commodore Pet - January 1977
Commodore Plus/4 - 1984
Dragon 32 - August 1982
IBM PC - August 1981
Microsoft Xbox [NA] - November 15 2001
Microsoft Xbox 360 [NA] - November 22, 2005
Microsoft Xbox One [NA] - November 22, 2013
Microsoft Xbox Series S/X [NA] - November 10, 2020
MSX - October 21, 1983
NEC PC-8801 [JP] - November 1981
Nintendo 3DS [JP] - February 26, 2011
Sharp X1 [JP] - 1982
Sinclair ZX Spectrum [UK] - April 23 1982
Sinclair ZX Spectrum [ES] - 1985
Sony PlayStation [JP] - December 3 1994
Sony PlayStation [NA] - September 9 1995
Sony PlayStation [EU] - September 29 1995
Sony PSOne [JP] - July 7 2000
Sony PSOne [NA] September 19 2000
Sony PSOne [EU] September 29 2000
Sony PlayStation 2 [JP] - March 4 2000
Sony PlayStation 2 [NA] - October 26 2000
Sony PlayStation 2 [EU] - November 24 2000
Sony PlayStation 4 [JP] - February 22 2014
Sony PlayStation 4 [NA] - November 15 2013
Sony PlayStation 5 [NA] - November 12, 2020
Tandy TRS-80 Model I [NA] - August 3, 1977
Tandy TRS-80 Color Computer [NA] - July 31, 1980
Tangerine Oric-1 - September 1 1982
Tangerine Atmos - February 1 1984
Tangerine Oric Telestrat - 1986