| Border Crossing | Lenophis, Imzogelmo, Novalia Spirit | Final Fantasy III | Role Playing | SNES | GP | Bug Fix | 1.0a | 03 Feb 2010 |
| Border Crossing | Lenophis, Imzogelmo, Novalia Spirit | Final Fantasy VI Advance | Role Playing | GBA | GP | Bug Fix | 1.0a | 03 Feb 2010 |
| Boring Bros. v1.5 | Pikamon101 | Super Mario Bros. | Action > Platformer | NES | G | Improvement | 1.5 | 07 Jan 2018 |
| Boss | pacnsacdave | Gun.Smoke | Action > Shooter | NES | G, T | Complete | 1.0 | 17 Aug 2014 |
| Boss Hack | [John] | Fatal Fury: Battle Archives Volume 1 | Action > Fighting | PS2 | O | Improvement | 1.0 | 20 Jun 2019 |
| Boss Health Fill Speedup | Thirteen 1355 | Mega Man 4 | Action > Platformer | NES | GP | Improvement | 1.1 | 11 Oct 2019 |
| Boulder Dash - Albinarla Mod | YUI Software | Boulder Dash | Action | NES | G, L | Complete | 1.0 | 01 Jan 2011 |
| Boulder Dash - Gemma Rush | Aether Knight | Boulder Dash | Action | NES | L, T | Complete | 1.1 | 09 Sep 2020 |
| Boulder Dash - Greed Edition | DragonEye Studios | Boulder Dash | Action | NES | L | Complete | 7.23.2003 | 23 Jul 2003 |
| Boulder Dash Power Rush | Schwa | Boulder Dash | Action | NES | G, L | Complete | 1.0 | 05 Sep 2005 |
| Bowser Vs. Wario | IceGoom | Super Mario Bros. | Action > Platformer | NES | G, L, T | Complete | 1.0 | 01 Jan 2005 |
| Bowser's Jumping Challenge | AlexAR | Super Mario Bros. | Action > Platformer | NES | G, L, T | Complete | 1.0 | 15 Feb 2006 |
| Bowsette | Zynk Oxhyde | Super Mario Bros. | Action > Platformer | NES | G, T | Improvement | 2.0 | 20 Sep 2020 |
| Bowsette / Boosette | Kazufox | Donkey Kong | Action > Platformer | NES | G, T, O | Improvement | 1.0 | 04 Apr 2019 |
| Bowsette 2 | Zynk Oxhyde | Super Mario Bros. 2 | Action > Platformer | NES | G, T, O | Improvement | 1.0 | 19 Jan 2019 |
| Bowsette Classics | Kazufox | Donkey Kong Classics | Action > Platformer | NES | G, T, O | Improvement | 1.0 | 01 Jun 2020 |
| Bowsette Jr. | Kazufox | Donkey Kong Jr. | Action > Platformer | NES | G, T, O | Improvement | 1.0 | 22 Jun 2019 |
| Bowsette Jr. + Lessons | Kazufox | Donkey Kong Jr. + Jr. Sansū Lesson | Other | NES | G, T, O | Improvement | 1.0 | 30 Jun 2019 |
| Bowsette Jr. Math | Kazufox | Donkey Kong Jr. Math | Other | NES | G, T, O | Improvement | 1.0 | 28 Jun 2019 |
| Box-Art Bomberman | M-Tee | Bomberman | Action | NES | G, T | Improvement | 1.1 | 14 Sep 2019 |
