Go to the 'game select' screen (where you choose Survival Mode, Time Attack, Options etc) and push LEFT LEFT RIGHT RIGHT LEFT RIGHT LEFT on the lightgun/controller D-Pad. You'll hear a noise if you did it correctly.
| Unlockable |
How to Unlock |
| House of the Dead 2 |
Beat Survival Mode |
| Free Play |
Finish any chapter with A or S rank |
| Blood Mode |
Beat House of the Dead 2 in Survival mode |
| Goldman Costume |
Beat House of the Dead 2 in original mode |
| Goldman Zombie |
Enable free play, intentionally get the lowest score possible on each level in HotD 2. At the end, Goldman will appear as a zombie |
| Change blood color |
Beat the game in original mode |
| Bruno costume |
Get more than 70,000 points and play on the Sin level in original mode. A maid will come out of the secret room and give it to you. |
| Rogan costume |
Select 2.0 bullets and Double score items from trunk, and begin game in original mode. Rescue all civilians except for the second on on level 4. |
| Bonus room |
Beat original mode with score of over 100,000 and save all civilians. |
| Emperor boss mode option |
Beat boss mode and get high score for all bosses. |
| Fight all bosses boss mode option |
Beat boss mode and get high score for all bosses. |
| Unlimited death bullets |
Beat training mode with five red stars in all sections. |
| Unlimited continues |
Beat training and boss modes with five red stars on all sections and get at least 2 stars in the fight all bosses option. |
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