| Metroid - Zebian Illusion | DragonEye Studios | Metroid | Action Adventure | NES | G, L, T | Complete | 0.40 | 01 Jan 2000 |
| Metroid Revival | Polick | Metroid | Action Adventure | NES | L | Complete | 1.4.1 | 22 Jan 2014 |
| Metroid Automap | Parasyte | Metroid | Action Adventure | NES | O | Improvement | 1.0 | 29 Apr 2010 |
| Metroid Walljump | Parasyte | Metroid | Action Adventure | NES | GP | Improvement | 1.0 | 29 Apr 2010 |
| Metroid mOTHER | dACE | Metroid | Action Adventure | NES | G, GP, O | Improvement | 1.0 | 22 Apr 2014 |
| Metroid Incursion | Grimlock | Metroid | Action Adventure | NES | G, L, T | Complete | 1.1 | 05 May 2014 |
| Metroid MMC1 to MMC3 Hack | infidelity | Metroid | Action Adventure | NES | O | Improvement | 1.0 | 07 Jun 2015 |
| Metroid MMC5 Patch | RetroRain | Metroid | Action Adventure | NES | O | Improvement | 1.0 | 08 Aug 2015 |
| Pitoid | Frederick Arte | Metroid | Action Adventure | NES | L | Complete | 1.0 | 31 Jul 2000 |
| Metroid Deluxe Reduxe | The Rooser | Metroid | Action Adventure | NES | L, T, GP | Complete | 1.0 | 14 Oct 2016 |
| Metroid Alpha | Byvegeta | Metroid | Action Adventure | NES | G, L, T | Complete | 1.1 | 25 Mar 2010 |
| Metroid Ridley X Hack | Ridley X | Metroid | Action Adventure | NES | G, L | Complete | 1.0 | 18 Dec 2016 |
| Metroid - Rogue Dawn | snarfblam, Optomon, Grimlock | Metroid | Action Adventure | NES | G, S, L, T, GP, O | Complete | 1.21 | 14 Jan 2017 |
| Metroid mOTHER+99 | Psyklax | Metroid | Action Adventure | NES | GP | Addendum | 1.0 | 25 Aug 2017 |
| 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 | Improvement | 0.5 | 20 Apr 2019 |
| Metroid Fusion - NoMap | Asaki | Metroid Fusion | Action > Platformer | GBA | G | Improvement | 1.0 | 16 May 2011 |
| Metroid Fusion - Debug Option | interdpth | Metroid Fusion | Action > Platformer | GBA | GP | Improvement | 1.0 | 08 Mar 2013 |
| Metroid II DX | Daniel Davis, Metroid Evolution, Spikeman, Drakon | Metroid II: Return of Samus | Action Adventure | GB | G | Improvement | 2.0 | 07 Mar 2013 |
