| PC/MS-Windows CD |  12 O'Clock High - Bombing the Reich | 1999 | TalonSoft |
| Apple Store pack. | 12 orbits | 2016 | Unknown |
| PC/MS-Windows pack. | 12 Orbits Model 529950 | 2016 | Steam Valve Corp. |
| Nintendo 3DS cart. | 12 Sai - Honto no Kimochi Model CTR-BTVJ-JPN | 201? | Happinet |
| Adobe Flash game | 12 Swap | 200? | Addicting Games, Inc. |
| Slot Machine | 12 Times Pay 1-Line | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | 12 Times Pay 5-Line | 2002 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | 12 Times Pay 9-Line | 2002 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | 12 Times Pay Reel Touch Bingo | 2007 | IGT International Game Technologies Reno, NV, USA |
| Amstrad CPC cass. | 12 Top Amstrad Hits | 1989 | UBI Soft Creteil, France 307211 |
| Arcade Video game kit | 12 Videogiochi | 1978 | Nuova Elettronica, La Italy |
| Online Slot | 12 Zodiacs | 201? | Habanero Systems B.V. |
| Halsall Console TV cart. | 12-in-1 Game Cartridge | 200? | Halsall |
| PC/MS-Windows CD | 12-ji Jeonsa | 1998 | SKC, Ltd. Korea |
| Nintendo Satellaview BS Pack. | 12/21 Tora Maga Daisakusen | 1997 | St.GIGA Sento.GIGA Japan |
| Famiclones cart. | 120-in-1 Model FK-23CA | 200? | Unknown |
| PC/MS-Windows pack. | 120-Yen Stories Model 1799190 | 2022 | Steam Valve Corp. |
| Amstrad CPC cass. | 123 | 1988 | Silverbird Soft. 012439 |
| Sinclair ZX Spectrum cass. | 123 | 1989 | Silverbird Soft. 012439 |
| Apple Store pack. | 123 Slaughter Me Street - Retro | 2016 | Unknown |
| PC/MS-Windows pack. | 123 Slaughter Me Street 2 Model 551190 | 2016 | Steam Valve Corp. |
| PC/MS-Windows pack. | 123 Slaughter Me Street Model 405180 | 20?? | Steam Valve Corp. |
| IBM PC/AT DOS 3.5in. disk | 123 Talk Model RE006 | 1994 | Rainbow Avenue Educational |
| MSX cart. | 123 Model P081 | 1986 | Al Alamiah |
| PC/MS-Windows pack. | 1248 Model 814510 | 2019 | Steam Valve Corp. |
| Sinclair ZX Spectrum cass. | 128 - 4 Pack | 1987 | Tynesoft Computer Soft. |
| Sinclair ZX Spectrum cass. | 128 - 6 Pack | 1987 | Tynesoft Computer Soft. |
| Tangerine Oric 1 cass. | 12K Backgammon | 198? | Epsilon Soft. |
| MITS Altair 8800 soft. | 12K Startrek P | 1976 | Altair Soft. Distribution Co. |
| PC/MS-Windows CD | 12RIVEN - The Climinal of Integral | 2008 | CyberFront Corp. Japan |
| Online Slot | 13 | 201? | Greentube |
| PC/MS-Windows pack. | 13 Candles Model 2200420 | 2022 | Steam Valve Corp. |
| Amstrad CPC type-in | 13 Colors | 1992 | Editions SORACOM France |
| TRS-80 disk | 13 Ghosts Model 26-1927 | 1983 | Radio Shack Fort Worth, TX, USA |
| Sega Mega Drive cart. | 13 Ma Jiang - 98 Mei Shao Nu Pian 18 | 1998 | BBD |
| Adobe Flash game | 13 More Days in Hell | 200? | Shockwave |
| Adobe Flash game | 13 phobia | 200? | 123bee |
| Sinclair ZX Spectrum cass. | 13 Rue del Percebe | 1992 | Pepsi Soft. Spain |
| Sony PSN: PS4 pack. | 13 Sentinels - Aegis Rim | 2019 | Unknown |
| PC/MS-Windows pack. | 13 Steps Model 1885120 | 2022 | Steam Valve Corp. |
