Unlockable - Unlock Many Characters |
| Pilot X | On the last level in Adventure mode, beat Pilot X by destroying his robot. |
| Chicken Sheik | The Cave of Blunders |
| Robo-Sammy | Monster Isle |
| Human Baron | Grave Danger |
| Lt. Island Jack | Danger Island |
| Chiquita Bandita | Coyote Canyon |
| Marcel Clowns | Bombsburg |
| Atomic Andre | Bigfoot Mountain |
| Sanitation Paulie | Thugsville |
| Cactus Rose | At the beginning of Coyote Canyon, fly through the town until the end, and look for a hanging platform with Cactus Rose on it. Shoot her down. |
| Andre Latoilette | At the start of Bigfoot Mountain, go to the log cabin and shoot the snowman by the porch. |
| Island Jack | In Danger Island, go down the waterfall and go on the path until it forks. Go left, and shoot the big yellow snake. |
| Professor Gutentag | On Torpedo Run, blow up the submarine he is standing on. |
| Sven 209 | On Torpedo Run, blow up the submarine he is standing on. |
| Margaret Basher | In Thugsville, go under the bridge and shoot the box with the British Flag. |
