Game Boy
| Aoki Densetsu Shoot! | Passwords | 02/27/06 |
NES
| Battletoads | Extra Continues in a One Player Game | 04/03/05 |
| Deadly Towers | Passwords | 01/02/03 |
| Destiny of an Emperor | Fight Weaker Enemies In Caves! | 11/18/03 |
| Digital Devil Monogatari: Megami Tensei | Start with maxed out stats | 04/20/07 |
| Dragon Warrior IV | 2000 free coins! | 03/23/05 |
| Dragon Warrior IV | Always inflict critical hits in boss battles (Japanese version only) | 09/25/06 |
| Fighting Road | Passwords | 11/18/03 |
| Hiryu no Ken III | Passwords | 07/18/07 |
| Honoo no Doukyuuji: Dodge Danpei | Passwords | 09/26/05 |
| Low G Man: The Low Gravity Man | 2nd Quest Passwords | 06/08/04 |
| Low G Man: The Low Gravity Man | 3rd Quest Passwords | 08/16/04 |
| Low G Man: The Low Gravity Man | Secret Power-up Room | 05/23/04 |
| Maniac Mansion | Freeze Nurse Edna or Purple Tentacle | 11/21/05 |
| Metal Gear | New Game & Final Area Passwords | 05/09/04 |
| Princess Tomato in the Salad Kingdom | Level Passwords | 02/03/02 |
| Tecmo Cup Soccer Game | Begin the game with a level 20 team | 06/11/07 |
| The Immortal | Passwords | 02/02/02 |
TurboGrafx-16
| Batman | Gotham City passwords | 02/02/06 |
