| 2600 Bros. | Grimlick | Super Mario Bros. | Action > Platformer | NES | G, T | Improvement | 1.0 | 13 Jan 2000 |
| 2nd by Googie | Googie | Super Mario Bros. | Action > Platformer | NES | G, L | Complete | 1.0 | 01 Jan 2004 |
| 2x Fireballs | teeporage777 | Super Mario Bros. | Action > Platformer | NES | GP | Improvement | 1.0 | 17 Jul 2017 |
| 3 Digit Bonuses | Sarah Shinespark | Arcana | Role Playing | SNES | T | Bug Fix | 1.0 | 23 Jul 2021 |
| 3 Eyes Boy 3HP&2HP hardmode (translated) | StripyMonk | Mitsume ga Tooru | Action > Platformer | NES | T, GP | Improvement | 4.5 | 06 Jan 2023 |
| 30 Lives Code for Operation C | SCD | Operation C | Action > Platformer | GB | O | Improvement | Final | 28 Mar 2021 |
| 30 Lives Code For Super C | SCD | Super C | Action > Shooter | NES | GP | Improvement | Final | 31 Oct 2015 |
| 3000 Leagues in Search of Bowser | Shimeji | Super Mario World | Action > Platformer | SNES | G, S, L, T, GP, O | Complete | 2.54 (Touh | 03 Apr 2013 |
| 32X Resurrection | D32XR Team | DOOM | Action > Shooter | 32X | G, S, L, T, GP, O | Improvement | 2.2b | 02 Sep 2022 |
| 4 Player Nekketsu Fighting Legend | DvD Translations | Nekketsu Kakutou Densetsu | Action > Beat 'Em Up | NES | GP | Improvement | B | 03 May 2020 |
| 40 Winks Crack | Zoinkity | 40 Winks | Adventure | N64 | O | Bug Fix | 1.0 | 14 Mar 2009 |
| 42 Balloons: The Balloon Fight Collection | Quick Curly | Balloon Fight | Action | NES | G, S, L, T, O | Complete | 1.1 | 07 Nov 2020 |
| 6-Letter Name Patch | Kajar Laboratories | Chrono Trigger | Role Playing | SNES | T | Improvement | 1.01 | 13 Oct 2008 |
| 60Hz patch | NM64 | Super Bust-A-Move All Stars | Puzzle | GC | O | Improvement | 1.0 | 01 Nov 2021 |
| 7th Saga EasyType | JCE3000GT | The 7th Saga | Role Playing | SNES | GP | Improvement | 1.0 | 17 Nov 2011 |
| 7th Saga Redux | Nati | The 7th Saga | Role Playing | SNES | GP | Improvement | 3.0 | 19 Jul 2013 |
| 7th Saga+ | Red X | The 7th Saga | Role Playing | SNES | T, GP | Improvement | 1.1 | 19 Jul 2010 |
| 7th Saga: The New Class | Nati | The 7th Saga | Role Playing | SNES | T, GP | Improvement | 1.0 | 01 Sep 2013 |
| 8 Eyes - Playing as Simon Belmont | elbobelo | 8 Eyes | Action > Platformer | NES | G, S, GP | Improvement | B3 | 22 Apr 2008 |
| 8-bit Mario World - Desert Mario | Green Jerry | Super Mario World | Action > Platformer | SNES | G, S, L, T, GP, O | Complete | 1.3 | 28 Oct 2016 |
