| NES Nintendo Roms Name | File Size (Kb) | Downloads |
|---|---|---|
| Knight Rider (U) [o1] | 58 Kb | 0 |
| Koakman 2 (Rockman 2 Hack) | 131 Kb | 1 |
| Koizumi Mario (SMB1 Hack) | 30 Kb | 1 |
| Kojiki by wAMMA (PD) (PAL) | 21 Kb | 1 |
| Konami Hyper Soccer (E) [!] | 89 Kb | 13 |
| Konamic Sports in Seoul (J) [!] | 169 Kb | 8 |
| Konamic Sports in Seoul (J) [b1] | 169 Kb | 0 |
| Konamic Sports in Seoul (J) [b2] | 169 Kb | 0 |
| Konamic Sports in Seoul (J) [b3] | 169 Kb | 0 |
| Koopa Bros by Mind Bender (Mario Bros Hack) [o1] | 15 Kb | 0 |
| Koopa Bros by Mind Bender (Mario Bros Hack) | 15 Kb | 2 |
| Koopa Invaders (Space Invaders Hack) [a1] | 8 Kb | 1 |
| Koopa Invaders (Space Invaders Hack) [o1] | 17 Kb | 0 |
| Koopa Invaders (Space Invaders Hack) | 8 Kb | 1 |
| Kopio (Lolo1 Hack) [a1] | 35 Kb | 1 |
| Kopio (Lolo1 Hack) [a2] | 35 Kb | 0 |
| Kopio (Lolo1 Hack) [a3] | 35 Kb | 0 |
| Kopio (Lolo1 Hack) [a4] | 36 Kb | 0 |
| Kopio (Lolo1 Hack) [a5] | 36 Kb | 0 |
| Kopio (Lolo1 Hack) [a6] | 36 Kb | 0 |