In Resident Evil: The Mercenaries 3D for the Nintendo 3DS, there are several characters you can unlock to use in the game.
Here is the full list of unlockable characters, and what needs to be done to unlock them.
Check out my other guide if you’re looking for the unlockable outfits in Resident Evil: The Mercenaries 3D.
Barry – Complete mission 4-5 with a B rank or higher
Claire – Complete mission 1-3 with a B rank or higher
Krauser – Complete mission 3-5 with a B rank or higher
Rebecca – Complete mission 2-3 with a B rank or higher
Wesker – Complete mission 5-5 with a B rank or higher