| Mega Man 3: The Rise and Fall of Dr.Wily | DurfarC | Mega Man 3 | Action > Platformer | NES | G, L | Complete | 1.0 | 21 Aug 2009 |
| Mega Lion | WarrantX | Mega Man 3 | Action > Platformer | NES | G, T | Complete | 1.0 | 04 Jun 2007 |
| Return to Castle Wily | Jriva | Mega Man 3 | Action > Platformer | NES | G, L, GP | Complete | 1.0 | 18 Jul 2019 |
| Mega Man 3 Improvement | kuja killer | Mega Man 3 | Action > Platformer | NES | G, T, GP, O | Improvement | 2.31 | 14 Feb 2022 |
| Mega Man 3 - Ridley X Hack 2 | Ridley X | Mega Man 3 | Action > Platformer | NES | G, L | Complete | 1.0 | 16 Feb 2012 |
| Mega Man: Dr. Wily Visits Indonesia | Anandastoon | Mega Man 3 | Action > Platformer | NES | G, S, L, T, GP, O | Complete | 0.99 | 03 Aug 2012 |
| Rockman 3: Extra | Bouzanohito | Mega Man 3 | Action > Platformer | NES | G, L, O | Complete | 1.0 | 10 Jun 2008 |
| Mega Man III Ever | Etalify | Mega Man 3 | Action > Platformer | NES | L | Complete | 1.9 | 29 Sep 2011 |
| Mega Man Powa 1 & 2 | za909 | Mega Man 3 | Action > Platformer | NES | G, S, L | Complete | 1.0 | 02 Jan 2010 |
| Mega Man - The Hedgehog Trap | za909 | Mega Man 3 | Action > Platformer | NES | G, S, L, T, GP | Complete | 1.1 | 22 Jul 2011 |
| Mega Man III - Against The World | Praetarius | Mega Man 3 | Action > Platformer | NES | G, L, T | Complete | 1.0 | 01 Jan 2010 |
| Megaman 3 Japanese Style Title Screen Update v2.22 | darthvaderx | Mega Man 3 | Action > Platformer | NES | G | Improvement | 2.22 | 21 Dec 2020 |
| My Little Pony: Dr. Discord's Conquest | RetiredBrony | Mega Man 3 | Action > Platformer | NES | G, S, L, T, GP | Complete | 1.0 | 03 Jan 2014 |
| Mega Man III - ICFE | Futuretime23 | Mega Man 3 | Action > Platformer | NES | G, L, GP, O | Complete | 1.0 | 29 Dec 2013 |
| Wave beam hack for MegaMan 3 | Lord J | Mega Man 3 | Action > Platformer | NES | G, GP | Improvement | 1.0 | 12 Oct 2008 |
| Mega Man 3 - Ridley X Hack 3 | Ridley X | Mega Man 3 | Action > Platformer | NES | G, L | Complete | 1.2 | 09 Jun 2013 |
| Mega Man III Simplified | Megafield64 | Mega Man 3 | Action > Platformer | NES | L, GP | Improvement | 1.0 | 03 Oct 2014 |
| Mega Man III (V1.2) | Byvegeta | Mega Man 3 | Action > Platformer | NES | G, L | Complete | 1.2 | 04 Nov 2010 |
| Mega Man 3 (JP-style Title Screen improved) | FlashPV | Mega Man 3 | Action > Platformer | NES | G | Addendum | 1.0 | 22 Mar 2022 |
| Rockman 3 - Speed Bound | StalkerMaestro | Mega Man 3 | Action > Platformer | NES | G, S, L, GP, O | Complete | 1.1 | 25 Jan 2020 |
