| Game | Cheats List | |||
| Jack Nicklaus Golf | Cheat Codes | |||
| James Bond 007: The Duel | Game Genie Codes | |||
| James "Buster" Douglas Knockout Boxing | Cheat Codes, Game Genie Codes, Guide | |||
| James Pond 2 - Codename: Robocod | Cheat Codes, Game Genie Codes, Guide | |||
| James Pond 3: Operation Starfish | Cheat Codes | |||
| James Pond: License to Gill | Cheat Codes, Game Genie Codes, Guide | |||
| Jammit | Cheat Codes, Game Genie Codes | |||
| Jennifer Capriati Tennis | Cheat Codes | |||
| Jeopardy | Cheat Codes | |||
| Jeopardy: Sports Edition | Cheat Codes | |||
| Jewel Master | Game Genie Codes | |||
| Joe and Mac | Guide | |||
| Joe Montana 2: Sports Talk Football | Cheat Codes, Game Genie Codes, Hints | |||
| Joe Montana Football | Game Genie Codes | |||
| Joe Montana Football 3 | Cheat Codes | |||
| John Madden Football | Cheat Codes, Game Genie Codes | |||
| John Madden Football '92 | Cheat Codes, Game Genie Codes | |||
| John Madden Football '93 | Game Genie Codes | |||
| John Madden Football '95 | Cheat Codes | |||
| Jordan vs. Bird: Super One-On-One | Cheat Codes | |||
| Judge Dredd | Cheat Codes, Game Genie Codes | |||
| Jungle Book | Cheat Codes, Game Genie Codes | |||
| Jungle Strike | Cheat Codes, Game Genie Codes, Hints, Guide | |||
| Jurassic Park | Cheat Codes, Game Genie Codes, Hints | |||
| Jurassic Park: Rampage Edition | Game Genie Codes, Hints, Guide | |||
| Justice League Task Force | Cheat Codes, Game Genie Codes, Guides | |||
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