Enter this code on the Factions screen in your PDA. (The costume codes do not work until the correct amount of National Treasure/Blueprints have been found.)
Code
Effect
Right, Down, Left, Up, Up, Left, Down, Right
+$1,000,000
down, down, down, down, up, left, right, right.
All items in the Shop are unlocked
Left, Left. Right, Right, Up, Down, Down, Down
Buford
Left, Left, Right, Right, Up, Down, Down, Right
Garrett
Left, Left, Right, Right, Up, Down, Down, Left
Peng
Left, Left, Right, Right, Down, Down, Up, Up
Play as Ace of Diamonds
Left, Left, Right, Right, Up, Down, Up, Down
Play as Allied Pilot
Left, Left, Right, Right, Down, Up, Up, Down.
Play as Deck of 51
Left, Left, Right, Right, Down, Up, Down, Down
Play As Doctor
Left, Left, Right, Right, Up, Down, Up, Up
Play As Han Solo
Left, Left, Right, Right, Up, Up, Down, Down
Play as Indiana Jones
Left, Left, Right, Right, Down, Up, Up, Up
Play As Josef
Left, Left, Right, Right, Down, Up, Down, Up
Play As Mafia Heavy
Left, Left, Right, Right, Down, Down, Down, Up
Play As NK Elite
Left, Left, Right, Right, Down, Down, Down, Down
Play as Prisoner of War
Left, Left, Right, Right, Down, Down, Up, Down.
Play As SK Elite
left, left, right, right, up, down, down, up
Real Ace of Hearts Skin (other is a typo from the makers of the game)
UP UP UP UP Down Down Right Left
Reset all factions to "neutral"
Right, Left, Right, Right, Left, Right, Left, Left
Unlimited Ammo
up, down, up, down, left, right, left, right
unlimited health
Right Right Left Left Up Up Down Down UP Right Left Down Down Left Right Up Down Down Up Up Left Left Right Right
Mercenaries CODES
1979
