Gurumin: A Monstrous Adventure Cheats for PSP
To enable this feature you must first beat the game. When you then start a new game hold L + R and press Left, Up, Right, Down, Left, Up, Right, Down, Left, Up, Right, Down at the difficulty selection screen.
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The 'Movie Viewer' option becomes available when you complete Boss Rush mode.
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Examine the dresser on the corner of Parin's room to change costume.
Unlock Armor:
Give 30 Gold Medal to Hyperbolic on Beginner mode
Unlock Princess Dress:
Give 30 Gold Medals to Hyperbolic on Normal mode
Unlock Samurai Outfit:
Give 30 Gold Medals to Hyperbolic on Crazy mode
Unlock Pajamas:
On Normal mode get the Good ending.
Unlock Monkey Suit:
On Beginner mode get the Good ending.
Unlock Chinese Dress:
On Hard mode get the Good ending.
Unlock School Uniform:
On Happy mode get Good ending.
Unlock Leopard Suit:
On Crazy mode get the Good ending.
Unlock Kimono:
Set PSP date to January 1-7
Unlock Santa Outfit:
Set PSP date to December 25-31
Unlock Maid Outfit:
Buy from vending machine at Spinach Caverns - Shadow Grotto
Unlock Vampire Outfit:
Give 30 Gold Medal to Hyperbolic on Hard mode
Witch Outfit:
Give 30 Gold Medal to Hyperbolic on Happy mode
Unlock Workout Gear:
Clear Boss Rush on Beginner/Normal difficulty
Unlock Work Uniform:
Clear Boss Rush on Hard difficulty
Unlock Nurse Outfit:
Clear Boss Rush on Happy difficulty
Unlock Swimsuit:
Clear Boss Rush on Crazy difficulty
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You can play extra character Popon if you clear beginner,normal,hard, and happy difficulties.Get the drill and go back to town you will see her standing in front of Fan's Cake.Talk to her and asked her to switced.Popon use sword.She never use outfits and headgear but she is powerful.