CheatCodes.com has all the official Resident Evil: The Mercenaries 3D 3DS cheats to unlock everything. If you know of any that we don't have, please let us know.
All published and official codes as of Monday May 20, 2013 for Resident Evil: The Mercenaries 3D are shown below.
In any level go to a ladder. Start to climb it but after you press the button to climb QUICKLY keep on pressing the 3ds home button. Don't stop pressing it until you your person is trying to get off the ladder. Your person will go through the wall or behind the ladder.
To see the trailer for this game you have to go to the menu when you start up the game. Stop when it says "Press Start" on the touch screen. Wait until the trailer starts.
This is trick is only done in less than 15 seconds in Level 3-5. First you have to have Wesker's weapons. When you start wait for the B.O.W to completely come out (Takes around 2 seconds after starting). The shoot the barrel in the left side. After you shoot it, the B.O.W will be weakened and fall in the floor. Go toward it's tail where it' weak spot is. Get your Magnum and shoot at it and bam it dies!
To make Albert Wesker run faster, all you do is press the right button of the control pad. It will take some health off you but It's worth it when you play DUO.
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