All levels, mini-games, and hats
Go into the options menu and enter "Roygbiv" as a player name. Select "Submit", and you will hear the foghorn sound to confirm correct code entry.
99 bombs and 10 lives
Enter "FBI" as a player name.
Hats
Go into the options menu and enter one of the following player names. Select "Submit", and you will hear the foghorn sound to confirm correct code entry. Go into the hat menu and the corresponding hat will be unlocked.
| Hat | Name |
| 2 (Tom Fulp) | TomFulp |
| 4 (Blonde hair) | Cletus |
| 5 (Red hair) | April |
| 7 (Jheri curl) | Superfly |
| 8 (Pirate bandana) | Goodman |
| 11 (Top hat) | Grrl |
| 12 (Diamond tiara) | Abe |
| 13 (Daisy headdress) | Princess or Betty |
| 14 (Dick Tracy hat) | Dandy |
| (Rooster) | Behemoth |