The original PC port features several hidden modes and costumes that can be unlocked through gameplay or quick title screen codes. Enter these at the Title Screen using your keyboard:
Simply beat the game once in Original Mode to unlock these additional challenges. Special Costumes (Original Mode) house of the dead 2 pc cheats
Using cheats like BRUTUS (Level Select) is actually a great way to practice specific boss fights. Using GOURANGER (Weapon Select) makes grinding for high scores more fun. The original PC port features several hidden modes
If you are playing the modern version, use these keyboard codes at the main menu: Infinite Ammo Invincibility ADADII (Some sources list this for Invincible) Unlock All Weapons Unlock All Chapters IADADADADI Unlimited Tokens One Shot Mode Third-Party Trainers Using GOURANGER (Weapon Select) makes grinding for high
If you hear a distinct "chime" sound effect, the code has worked. If you hear nothing, you mistyped.