HOUSE OF THE DEAD 2, THE UNLOCKABLES
1/4 Life item
Finish Boss mode with five red stars on all the Bosses. In the trunk of the car in original mode, you will have an item called 1/4 Life. This makes the zombies easier to kill.
Hidden items
When you save a hostage and they do not give you anything, there will be something in a nearby box.
All items in original mode (Japanese version)
Finish all training mode sections with five red stars to receive all items in original mode. REMEMBER: This may also be done by successfully completing boss mode with five red stars in each section.
Training mode and boss mode (Japanese version)
Finish the game in original mode to unlock training and boss modes.