| Level Select Enabled | SCD | M.U.S.H.A.: Metallic Uniframe Super Hybrid Armor | Action > Shooter | GEN | GP | Improvement | Final | 03 Nov 2020 |
| Level 9 Weapons Progression Balance | Kethinov | Secret of Mana | Role Playing > Action RPG | SNES | GP | Improvement | 1.7 | 07 Nov 2019 |
| Letty9 | DASTARD | Super Mario Bros. | Action > Platformer | NES | G, S, L, T, GP | Complete | 1.0 | 01 May 2008 |
| Lethal Weapon - no-dim hack | Cluster | Lethal Weapon | Action | NES | O | Improvement | 1.0 | 02 Jul 2021 |
| Let's Kill Iggy! | capnkatie | Super Mario Bros. | Action > Platformer | NES | G, L, T, GP | Complete | 4.0 | 23 Mar 2022 |
| Less-Blocky Bomberman | LastduaL | Super Bomberman 2 | Action | SNES | G | Improvement | 1.0 | 11 Feb 2018 |
| Less Stupid Camera | LancerECNM | Phantasy Star II | Role Playing | GEN | GP | Improvement | 0.1 | 21 Dec 2018 |
| Less Sadistic Game Corner | Vortiene | Pokémon: Blue Version | Role Playing | GB | GP | Improvement | 1.1 | 27 Sep 2021 |
| Lens Cap | Leet Sketcher | Final Fantasy III | Role Playing | SNES | L | Bug Fix | 1.0 | 27 Feb 2017 |
| Lemmings (Enhanced Color + Graphics Hack) | PaulSebas999 | Lemmings | Puzzle | NES | G | Improvement | 1.0 | 06 Sep 2018 |
| Legendary Wings - Color hack. | wolfamancer97 | Legendary Wings | Action > Shooter | NES | G, T, O | Improvement | Final | 06 Sep 2020 |
| Legend of Zelda: Curse From The Outskirts | Dr. Mario | Super Mario Bros. | Action > Platformer | NES | G, L, T | Complete | 1.0 | 03 Jul 2003 |
| Legend of Zelda: Awakening of Onyx | pacnsacdave | The Legend of Zelda | Action Adventure | NES | G, L, T | Complete | 1.0 | 01 Jan 2017 |
| Legend of Zelda: A Link to the Past Translation Improvement | Kaleidoscope | The Legend of Zelda: A Link to the Past | Action Adventure | SNES | T | Improvement | 1.0 | 10 Nov 2020 |
| Legend of Zelda Winter Solstice | GTM604 | Zelda II: The Adventure of Link | Role Playing > Action RPG | NES | G, S, L, T, GP | Complete | 1.1 | 23 Jan 2020 |
| Legend of Zelda Spirit Tracks D-Pad Controls | Greiga Master | The Legend of Zelda: Spirit Tracks | Action Adventure | NDS | GP | Improvement | 1.01 | 24 Nov 2014 |
| Legend of Zelda Skin | Moulinoski | Ultima: Runes of Virtue | Role Playing > Action RPG | GB | G, T | Complete | 1.0 | 17 Apr 2022 |
| Legend of Zelda Pocket Edition | Fantendo | The Legend of Zelda | Action Adventure | NES | G, T | Improvement | 1.0 | 28 Feb 2006 |
| Legend of Zelda Phantom Hourglass D-Pad Patch | Greiga Master | The Legend of Zelda: Phantom Hourglass | Adventure | NDS | GP | Improvement | 1.0 | 05 Dec 2014 |
| Legend of Zelda Challenge Outlands- Zed Edition | LexLuthermiester | The Legend of Zelda | Action Adventure | NES | G, T, GP, O | Addendum | 1.15 | 21 Oct 2020 |
