Hard BoiledLevel Select
At the Text Credits opening screen, hold Up + X + Start and select Load Game.
Fight Level 2 Boss
First enable the Level Select code, then during the Loading screen, hold L1.
Fight Level 5 Boss
First enable the Level Select code, then during the Loading screen, hold R1.
Hard Edge: The Disaster AdventureGet a New Look and New Weapons
First thing you do is complete ans save the game. Reload the saved game and pick the character you used to complete the game. Press Select at the character screen and choose "ARMS" to access new outfits or weapons. After you complete the game a 2nd time with the same character you can repeat this for more options.
Hardcore 4x4Various Cheats
Enter these names at the Time Trial Edit Name screen:
Name
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Effect
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Mainline
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Gives you all the levels of difficulty such as pro and extreme
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Dutchman
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Allows you to play asteroids when you go to the Credits under Options
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Rainfrog
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Rains frogs
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