| Mega Man IV Simplified | Megafield64 | Mega Man 4 | Action > Platformer | NES | L, GP | Complete | 1.3 | 11 Nov 2014 |
| Mega Man 4 - Ridley X Hack 5 | Ridley X | Mega Man 4 | Action > Platformer | NES | G, L | Complete | 1.1 | 26 Sep 2014 |
| Refill Weapon after Death | ElwinBran | Mega Man 4 | Action > Platformer | NES | GP | Improvement | 1.0 | 10 Oct 2019 |
| Mega Man 4 - Ridley X Hack 10 | Ridley X | Mega Man 4 | Action > Platformer | NES | G, L, O | Complete | 1.0 | 09 Jun 2019 |
| Mega Man 4 Japanese Style Title Screen | Korxtendo | Mega Man 4 | Action > Platformer | NES | G | Improvement | 1.0 | 18 Dec 2020 |
| Instant fill energy when gain energy items | LSM | Mega Man 4 | Action > Platformer | NES | GP | Improvement | 1.0 | 20 Mar 2021 |
| Mega Man 4: Free of Charge | turbomcphazer | Mega Man 4 | Action > Platformer | NES | GP | Improvement | 1.0 | 24 Feb 2021 |
| Title Screen Restoration and Minor Graphics Fixes | LiquidMarble | Mega Man 4 | Action > Platformer | NES | G | Improvement | 1.1 | 17 Nov 2022 |
| Roll-chan 4 | Zynk Oxhyde | Mega Man 4 | Action > Platformer | NES | G, T | Improvement | 2.2a | 07 Nov 2018 |
| Mega Man 4 - Ridley X Hack 7 | Ridley X | Mega Man 4 | Action > Platformer | NES | G, L | Complete | 1.0 | 30 Jan 2016 |
| Faster Screen Scrolling | KCEXE | Mega Man 4 | Action > Platformer | NES | GP | Improvement | 1.0 | 25 Jan 2022 |
| Proto Man 4 | dieto20 | Mega Man 4 | Action > Platformer | NES | G, T | Improvement | 1.0 | 19 Aug 2022 |
| Mega Man 4 - Ridley X Hack 1 | Ridley X | Mega Man 4 | Action > Platformer | NES | L | Complete | 1.0 | 02 Jun 2011 |
| Rockman 4: Luokeren 7 Xiyang Xia De Zhandou | Shuaiqi Xiaoxi | Mega Man 4 | Action > Platformer | NES | G, S, L | Complete | 1.0 | 27 Sep 2012 |
| Effect Enemy EX | Rock5easily | Mega Man 4 | Action > Platformer | NES | O | Improvement | 1.0 | 29 May 2009 |
| Haikei (Rockman 4) | insectduel | Mega Man 4 | Action > Platformer | NES | O | Improvement | 1.2 | 10 Sep 2012 |
| Mega Man IV: Eons of Dreams Part 4 | The Sloth | Mega Man 4 | Action > Platformer | NES | G, L, GP, O | Complete | 1.0 | 14 Jul 2012 |
| Rockman 4: Minus Infinity | Puresabe | Mega Man 4 | Action > Platformer | NES | G, S, L, T, GP, O | Complete | 1.01 | 20 Oct 2016 |
| Mega Man 4 - Ridley X Hack 9 | Ridley X | Mega Man 4 | Action > Platformer | NES | G, L, O | Complete | 1.0 | 18 Aug 2018 |
| Rockman 4: Advanced | AYCNN | Mega Man 4 | Action > Platformer | NES | G, L, O | Complete | 1.0 | 05 Aug 2018 |
