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- All items
Successfully complete training mode on all five difficulty settings to receive all items in original mode.
- Bonus options in Boss Mode
Successfully defeat and obtain a ranking for all bosses in "Boss Mode" to unlock a "Emperor" and "Fight All Bosses" options.
- Bonus room
Successfully complete the game without any hostages being killed.
- Get shotgun or grenade launcher
On the first chapter before you fight judgement, there will be a bridge and two zombies. Jump down and there will also be a door under the bridge. Shoot it and a old woman steps out and gives you either a shotgun or a grenade launcher.