Title  | Alt Title | Pub | Date | Genre | Platform | Docs | Utils | Trans | Hacks |
|---|---|---|---|---|---|---|---|---|---|
| Kaboom! | No Alternate Title | Activision | 1981 | Action | 2600 | Y | N | N | N |
| Ka-Ge-Ki: Fists of Steel | No Alternate Title | Sage's Creation | 26 April 1991 | Action > Beat 'Em Up | GEN | N | N | Y | N |
| Juvei Quest | Jubei Quest | Namco | 04 January 1991 | Role Playing | NES | N | N | Y | N |
| Juuouki | Altered Beast | NEC Interchannel | 29 September 1989 | Action > Beat 'Em Up | TG16 | N | N | Y | N |
| Juuouki | Altered Beast | Asmik | 20 July 1990 | Action > Beat 'Em Up | NES | N | N | Y | N |
| Jutei Senki | No Alternate Title | Enix | 27 August 1993 | Strategy > Turn Based | SNES | N | N | Y | N |
| Justice League Task Force | No Alternate Title | Acclaim | 24 August 1995 | Action > Fighting | GEN | N | N | Y | Y |
| Just Breed | No Alternate Title | Enix | 15 December 1992 | Strategy > Turn Based | NES | N | N | Y | N |
| Jurassic Park: Rampage Edition | No Alternate Title | Sega | 1994 | Action > Platformer | GEN | N | N | Y | N |
| Jurassic Park 2: The Chaos Continues | No Alternate Title | Ocean | December 1994 | Action > Platformer | GB | N | N | Y | N |
| Jurassic Park | No Alternate Title | Sega | 26 August 1993 | Action > Platformer | GEN | N | N | Y | N |
| Jurassic Park | No Alternate Title | Sega | 1993 | Action > Platformer | SMS | N | N | Y | N |
| Jurassic Park | No Alternate Title | Sega | 30 July 1993 | Action > Platformer | GG | N | N | Y | N |
| Junction | No Alternate Title | Micronet | 24 February 1991 | Puzzle | GG | N | N | Y | N |
| Junction | No Alternate Title | Micronet | 25 November 1990 | Puzzle | GEN | N | N | Y | N |
| Jun Classic C.C. & Ropé Club | No Alternate Title | T&E Soft | 23 April 1998 | Sports | PSX | N | N | N | Y |
| Jump Ultimate Stars | No Alternate Title | Nintendo | 23 November 2006 | Action > Fighting | NDS | N | N | Y | N |
| Jr. Pac-Man | No Alternate Title | Bob DeCrescenzo | 01 April 2009 | Action | 7800 | N | N | N | Y |
| Joy Mech Fight | Joy Mecha Fight | Nintendo | 21 May 1993 | Action > Fighting | NES | N | N | Y | N |
| Joust | No Alternate Title | Williams | 1982 | Action | NES | N | N | Y | Y |
