| Title | Developer | Year | Link | Notes |
| killer7 SINdrome | Topdrunkee thy ILLnifique | 2007 | — | Original story featuring characters from The Silver, シルバー事件25区, and killer7; unreleased. |
| Daydream Cafe | Topdrunkee thy ILLnifique | 2007 | — | Original story featuring characters from シルバー事件25区 and killer7; unreleased. |
| NO MORE PLUMBERS | MechaWare | 2009 | MechaWare | SUPER MARIO 64-inspired retelling of NO MORE HEROES submitted to the 49th Mario Fan Games Galaxy Minigame Competition. |
| NO MORE GENTLEMEN | Media Design School group | 2010 | IZZY GAMES | Originally unrelated, the game was later distributed with altered NO MORE HEROES artwork. |
| CITADEL OF THE WHORE | Topdrunkee thy ILLnifique | 2009 | — | Original story featuring characters from The Silver and シルバー事件25区; unreleased. |
| ASYLUM of PLEASURE AND PAIN | NOACCEPTANCE772 | | RMArchiv | Original story featuring characters from The Silver. |
| asylum of pleasure and pain — KNOW YOUR TRUE ENEMY | NOACCEPTANCE772 | 2011 | RMArchiv | Original story featuring characters from The Silver and シルバー事件25区. |
| PSYCHO — THE ASYLUM OF PLEASURE & PAIN | NOACCEPTANCE772 | 2011 | RMArchiv | Original story featuring characters from The Silver. |
| Angel Heights | Topdrunkee thy ILLnifique | | — | Original story featuring characters from The Silver and シルバー事件25区; unreleased. |
| RED MOON RITUAL | NOACCEPTANCE772 | 2012 | RMArchiv | Original story featuring characters from The Silver and シルバー事件25区; unreleased. |
| Crocodile Blood | Basement Level | 2019 | itch.io | Original story paying tribute to the Film Window engine. |
| ELECTRIC THUNDER TIGER Ⅱ | MELONKOI | 2019 | itch.io | Adaptation of the ELECTRIC THUNDER TIGER II segment of TRAVIS STRIKES AGAIN: NO MORE HEROES. |
| red, blue and green | Basement Level | 2019 | believe in the net | Adaptation of red, blue and green. |
| Isochronism | kiririn51, Juneji, sophicsheep, Merenge_doll, and FireSlash | 2020 | Ludum Dare | Original story paying tribute to killer7. |
| DRAGON SHADOW FIGHTER HERO | Raycast Studio | 2020 | Amazon | Early versions used Travis Touchdown as the model for the main character. |
| killer BADMINTON | Will Brierly | 2022 | itch.io | April Fool’s Day minigame. A trailer was also released paying homage to numerous other GRASSHOPPER characters. |
| 未来都市の氾濫 | HULINERS | 2023 | Novel Game Collection | Original story paying tribute to the Film Window engine. |
| C.H.I. Case | AuroraBase | 2024 | itch.io | Original story paying tribute to the Film Window engine. |
| Doomer7 | DoomerDev | 2024 | Google | DOOM2 mod with killer7‘s heads-up display and the weapons of the Smith Syndicate. |
