Zombie Revenge

To get a fourth costume for Stick Brietling, go to the options screen set the difficulty to "Very Hard", and credits to "15". Select "Original Mode"m then select "Normal Mode". Highlight Stick Brietling, then hold the Start and press Y at character selection screen. His armor will be read during game play.

Complete the game in arcade mode to open the ''Blood Color'' option.

To access the Cheat mode, get enough points on the VMU mini-games to unlock 'Eternal Life', 'Area Select', 'Free Continue' and 'Free Time Limit' as cheat options in Original mode.

On the Character Select Screen, highlight a character and hold the Start button. While holding, press the X, Y or B buttons for a new costume.

At the title screen, choose the Fighting Mode option. When at the Fighting Mode option, press and hold the Start button. While holding the Start button, choose an option with the A button. The Stage Select Screen will appear where you can choose between seven different stages.