Resident Evil: The Mercenaries 3D Cheats

Make sure that you have zero green herbs in your inventory. Locate a green herb and pick it up while using it (on the default control scheme, press the Y and A buttons simultaneously). If your timing was correct, the game will have tried to subtract one herb from a total of zero. This will cause the inventory counter to cyclically roll backwards to its maximum amount, resulting in 300 green herbs available for use. Note that this method will not work online.

Complete the specified objective to earn a medal. There are fifty in total to collect.

Here's how to unlock all medals...

while you can unlock a charachters loadout through gameplay it's easier to buy them with play coins 10 for each but the Extra Loadout you need 15 play coins

the weapons are the Red-9 handgun and the 2-way grenade launcher

If you want to use a character's loadout so every other character can use it, score rank A or higher on all missions up to 5-5 with that character.

Once you clear mission 5-5 with atleast B rank the credits should roll. After watching the credits the EX Missions should be available.

To make a particular character's weapons accessible to every other characters, score SS rank using the character on every Missions up to Mission 5-5. Alternatively, you can spend 10 Nintendo 3DS Play Coins to unlock the character's weapons.