Gun Showdown - Platform: Nintendo DS

Cheat mode: 
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At the main menu, select the "Profile" option. Then, select "Name" and enter 
one of the following codes to activate the corresponding cheat function. If 
you entered the code correctly, you will hear a sound.

Bonus deathmatch level:
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Enter "BADLANDS" as a profile name to unlock a bonus deathmatch level.

All Quick Play mode chapters:
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Enter "HUNTER" as a profile name to unlock all Quick Play mode chapters.

Play as Jenny:
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Enter "ALLIES" as a profile name to unlock Jenny.

Almost all Story mode weapons:
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Enter "NEDWHITE" as a profile name to unlock all Story mode weapons except the 
final weapon.

Increased ammunition capacity:
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Enter "CAMPBELL" as a profile name.

Infinite ammunition in Story mode:
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Enter "BARTON" as a profile name.

Faster firing:
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Enter "QUIVIRA" as a profile name.

First person mode:
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Face Colton's back to a wall and whistle for your horse and the game will go into 
first person mode.

Quick Play challenges 
Get the indicated number of points in the indicated Quick Play challenge to unlock
the hallenge:

Bear Hunt: 60 or more points in Suppress The Outlaws 
Fire Fight: 35 or more points in Bear Hunt 
Hold The Fort: 125 or more points in Quail Hunt 
Hollister's Dynamite Run: 7 or more points in Fire Fight 
Suppress The Outlaws: 75 or more points in Hold The Fort 

Character skins: 
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Get the indicated number of points in the indicated Quick Play challenge to unlock
the character skin:

Dodge Whore     : 10 points in Fire Fight 
Hollister Thug 1: 150 or more points in Quail Hunt 
Hollister Thug 2: 100 or more points in Hold The Fort 
Port            : 100 or more points in Suppress The Outlaws 
Red Hand Thug   : 40 or more points in Bear Hunt 
Rude            : 50 or more points in Hollister's Dynamite Run