Director’s Cut mode:
To unlock Director’s Cut mode, beat Story mode.
Dual Wield mode:
To unlock Dual Wield mode which allows one player to use two Wii-motes with one health bar, beat Director’s Cut mode.
Extra Mutants mode:
To unlock Extra Mutants mode, beat Story mode.
Handcannon:
To unlock the Handcannon, beat Story mode.
Minigun:
To unlock the Minigun, beat Director’s cut mode.
Money bonuses:
Complete the following tasks to earn the corresponding amounts of money:
Beat Level 1 in Story mode – $500
Beat Level 2 in Story mode – $1,000
Beat Level 3 in Story mode – $500
Beat Level 4 in Story mode – $500
Beat all levels in Story mode – $1,200
Beat Level 1 in Director’s Cut mode – $1,000
Beat Level 2 in Director’s Cut mode – $1,000
Get first place on high score screen – $1,000
Get last place on high score screen – $200
Get 70 total leg shots – $250
Get 50 total head shots – $200
Kill 50 Mutants in a level with your gun held sideways – $1,337
Level 1 score bonus – $5,000
Level 2 score bonus – $5,000
Level 3 score bonus – $5,000
Level 4 score bonus – $5,000
Level 5 score bonus – $5,000
Level 6 score bonus – $5,000
Level 7 score bonus – $5,000
Reach 70% accuracy – $400