| Metroid Title Screen Update | Jordiway73 | Metroid | Action Adventure | NES | G | Improvement | 1.0 | 15 Aug 2017 |
| Over the Moon | TestZero | Metroid | Action Adventure | NES | G, L, T | Complete | 1.0 | 16 Jul 2018 |
| Metroid + Saving Unofficial Update | DannyPlaysSomeGames | Metroid | Action Adventure | NES | GP, O | Addendum | 0.5.2 | 16 Mar 2020 |
| Metro Android 1 | rodge2001 | Metroid | Action Adventure | NES | L | Complete | 1.3 | 01 May 2020 |
| Metro Android 2 | rodge2001 | Metroid | Action Adventure | NES | L | Complete | 1.0 | 03 May 2020 |
| Antigrinding | Ilya Indigo | Metroid | Action Adventure | NES | GP, O | Improvement | 1,0 | 13 Jul 2017 |
| Metroid Improved RNG | tertu | Metroid | Action Adventure | NES | GP | Improvement | 1.1 | 28 Sep 2020 |
| Metroid FDS RNG for NES version | drk421 | Metroid | Action Adventure | NES | GP | Improvement | 1.0 | 28 Sep 2020 |
| Super Mochtroid | P0ZN0 | Metroid | Action Adventure | NES | G, GP, O | Improvement | 1.1 | 18 Oct 2020 |
| beth | JonnyManjiro | Metroid | Action Adventure | NES | L, GP | Complete | 1.0 | 02 Mar 2021 |
| Metal Slug 2 NoBGM | Koston | Metal Slug 2 | Action > Shooter | ARC | S | Improvement | 1.0 | 18 Sep 2017 |
| Metal Slug 2 CD Turbo - Slowdown Reduction Patch | SmokeMonster, system11 | Metal Slug 2 | Action > Shooter | NGCD | GP | Bug Fix | 1.0 | 13 Dec 2015 |
| Metal Slader Glory: DX - Debug Mode Enabled | FCandChill | Metal Slader Glory: Director's Cut | Adventure | SNES | O | Improvement | 1.0 | 09 Feb 2019 |
| Metal Gear 2 - Turbo Fix | FRS | Metal Gear 2: Solid Snake | Action Adventure | MSX | O | Improvement | 1.1 | 15 Jul 2011 |
| Metal Gear 1 - Improvements | FRS | Metal Gear (MSX2) | Action | MSX | O | Improvement | 1.0 | 07 Mar 2011 |
| Metal Gear - UNROM to MMC3 Mapper | infidelity | Metal Gear | Action | NES | O | Improvement | 1.0 | 17 Sep 2013 |
| Metal Gear - Personal Area Network | Turambar | Metal Gear | Action | NES | GP | Improvement | 1.0 | 09 Jun 2015 |
| Metal Gear DX | LastduaL | Metal Gear | Action | NES | G | Improvement | 1.0 | 07 Mar 2017 |
| Metal Gear - text speed | rainponcho | Metal Gear | Action | NES | O | Improvement | 0.1 | 21 May 2017 |
| TX-55 in Metal Gear | Arty | Metal Gear | Action | NES | G, T, O | Improvement | 1.0 | 02 Jan 2013 |
