| Kunio Kun no Nekketsu Soccer League (J) (Team Hack 2014 - 2P PK) | Lipetsk | Kunio Kun no Nekketsu Soccer League | Sports | NES | GP | Improvement | 1.0 | 22 Nov 2014 |
| Kunio Kun no Nekketsu Soccer League (J) (Team Hack 2014 - 4P PK) | Lipetsk | Kunio Kun no Nekketsu Soccer League | Sports | NES | GP | Improvement | 1.0 | 22 Nov 2014 |
| KuruKuru Fever Retail N64 Patch | Zoinkity | KuruKuru Fever | Puzzle | N64 | O | Improvement | 1.0 | 04 Jan 2015 |
| Kyatto Ninden Teyandee the Second Coming | Lomax | Kyattou Ninden Teyandee | Action > Platformer | NES | G, L, T, GP | Complete | 1.2 | 31 Dec 2012 |
| Kyouryuu Sentai Zyuranger - No Full-Screen Flashes | Tetrahedrus | Kyoryu Sentai ZyuRanger | Action > Platformer | NES | O | Improvement | 1.0 | 03 Sep 2020 |
| Title Screen Star Field | TRIFORCE89 | Lagrange Point | Role Playing | NES | G, O | Bug Fix | 1.0 | 25 Mar 2018 |
| Landstalker Alternate Controls | Jon Najar | Landstalker: The Treasures of King Nole | Role Playing | GEN | GP | Improvement | 1.0 | 12 Sep 2015 |
| Last Bible III Estoma Hack | Shawnxz | Last Bible III | Role Playing | SNES | GP | Improvement | 1.0 | 18 Sep 2020 |
| Layla: The Iris Missions | Supper | Layla | Action > Platformer | NES | G, S, L, T, GP | Complete | 3.0 | 02 Feb 2017 |
| Legend of Mana - Combat Redux | MeshGearFox | Legend of Mana | Role Playing | PSX | GP | Improvement | 1.2 | 06 Jul 2014 |
| Legend of Mana - Ring Ring Land | Ortew | Legend of Mana | Role Playing | PSX | O | Improvement | 1.0 | 23 Sep 2017 |
| Legend of the River King GB - Revision | Issun | Legend of the River King GB | Role Playing | GB | T, GP, O | Improvement | 1.3 | 30 Jun 2017 |
| Legendary Wings - Color hack. | wolfamancer97 | Legendary Wings | Action > Shooter | NES | G, T, O | Improvement | Final | 06 Sep 2020 |
| Pokemon Yellow NES Music Hack | Lugia2009 | Lei Dian Huang: Bi Ka Qiu Chuan Shuo | Role Playing | NES | G, S | Complete | 1.0 | 28 Feb 2012 |
| Lemmings (Enhanced Color + Graphics Hack) | PaulSebas999 | Lemmings | Puzzle | NES | G | Improvement | 1.0 | 06 Sep 2018 |
| Liberty or Death - Elite British Officers | m5215 | Liberty or Death | Strategy > Turn Based | GEN | GP | Improvement | 1.2 | 13 Jun 2020 |
| Liberty or Death - Elite American Officers | m5215 | Liberty or Death | Strategy > Turn Based | GEN | GP | Improvement | 1.0 | 02 Jun 2020 |
| Liberty or Death - Elite British Officers | m5215 | Liberty or Death | Strategy > Turn Based | SNES | GP | Improvement | 1.0 | 07 Jun 2020 |
| Liberty or Death - Elite American Officers | m5215 | Liberty or Death | Strategy > Turn Based | SNES | GP | Improvement | 1.0 | 08 Jun 2020 |
| Salamander - Arrangement Chronicle DELTA | Messatu | Life Force | Action > Shooter | NES | G, O | Improvement | 0.9a Delta | 03 Jun 2018 |
