If you type "SGCLEVEL" on the password screen, you will access a bonus level.
| Filename | Type | Size |
|---|---|---|
| Battle Kid - Fortress of Peril (Japan) (EnJa) (V2.000) (Aftermarket) (Unl) | No-Intro | 212.89 K |
| Battle Kid - Fortress of Peril (USA) (Aftermarket) (Unl) | No-Intro | 136.43 K |
| Battle Kid - Fortress of Peril (USA) (V1.100) (Aftermarket) (Unl) | No-Intro | 137.45 K |
| Battle Kid - Fortress of Peril (World) (v2.100) (Aftermarket) (Unl) | No-Intro | 220.06 K |
| Battle Kid: Fortress of Peril | Homebrew | 137.60KB |
