MERCANARIES 2
Cheat mode
Note: Cheats are only available after the October 31, 2008 online update is applied to your game. While playing the game, activate the PDA, and press LB, RB(2), LB, RB, LB(2), RB(3), LB to enable cheat mode. Then, close the PDA. If you entered the code correctly, a message will appear. Activate the PDA again, and enter one of the following codes at the PDA screen to activate the corresponding cheat function. Note: Achievements are permanently disabled for the current save/profile when cheats are activated.

Invincibility
At the PDA screen, press Up, Down, Left, Down, Right(2). This code will affect both players if enabled in Co-op mode.

Infinite ammunition
At the PDA screen, press Up, Down, Left, Right, Left(2).

Refill fuel
At the PDA screen, press Up(3), Down(3).

All vehicles
At the PDA screen, press Up, Down, Left, Right(2), Left to unlock all vehicles.

All supplies
At the PDA screen, press Left, Right(2), Left, Up(2), Left, Up to unlock all supplies.

All costumes
At the PDA screen, press Up, Right, Down, Left, Up to unlock all costumes.

All airstrikes except Nuke
At the PDA screen, press Right, Left, Down, Up, Right, Left, Down, Up to unlock all airstrikes except the Nuke.

Nuke
At the PDA screen, press Up(2), Down(2), Left, Right, Left, Right to unlock the Nuke.

Grappling hook
At the PDA screen, press Up, Left, Down, Right, Up to unlock the grappling hook. This code will affect both players if enabled in Co-op mode.

SOURCE:http://cheatcc.com/xbox360/mercenaries2worldinflamescheatscodes.html

Skate.

D-Pad Up, D-Pad Down, D-Pad Left, D-Pad Right, X Button, Right Bumper, Y Button, Left Bumper =UNLOCKS EXCLUSIVE BEST BUY CLOTHES.

LB, LT, RB, RT, Down, Down, X, Y=UNLOCK ALL CHARACHTERS.

At the start menu where you have the options such as "Career" and "Free Skate" Enter the following: LT, RT, LB, RB, Up, Up, Y, X=Unlock All Locations For Free Skate and Party Play

skate 2

At the main menu, select "Extras" option. Choose the "Enter Code" selection, then enter one of the following codes to activate the corresponding cheat function:

Big Black
Enter "letsdowork" as a code to unlock Big Black in Freeskate, Online, and Party Play modes. Note: His bounce ability can only be used offline.

3-D mode
Enter "strangeloops" as a code to shift the colors to give a 3-D effect when viewed with red and blue 3-D glasses. Repeat the code to disable its effect.

Disable NPC trash talking in Career mode
Enter "bailymcbailster" as a code.

I AM TAKING MORE REQUEST PM IF U NEED MORE