To start at an end level Boss, enter the "Game Options" screen and highlight the "Start Level" selection. Select a level, then highlight the "Start At Boss" selection. Choose "Yes", then "Ok" to go to the Boss fight for that level.
Enter "*G4LL3RY*" as a password.
|Infinite Lives And Best Weapons|
Enter "*1NV1S4BL3*" as a password to get unlimited lives and the top of the line weapons.
Note: There are more than one password for each level. Each password has different weapons and lives.
|Level||Password||Alternate 1||Alternate 2|
Enter "*S3L3CT0N*" as a password. Then, enter "*SH0WT1M3*" as a password.