When you are playing merenaries mode when the melee (attack I think) option appears reload your weapon and activate the melee sequence. Your weapon will reloaded instantly and you will also be doing...
Once you unlock unlimited ammo for a gun, it will be unlock for all copies of that gun you may have so buy one for you partner so they can join in the fun! note:you'll still have to upgrade any...
You can click both analog sticks (sometimes called L3 and R3 R for right and L for left) to taunt or goad nearby majini into coming at you instead of you partner and have you shotgun ready to blast...
When using the unlockable character Wesker (the last boss of Resident evil 5) in mercenaries, you can click the right analog stick (sometimes called R3) to initiate a dash. Press (and hold I think)...
Fully upgrade the weapons listed below to be able to buy the desired uber (meaning super) weapon:M92F pistol-unlocks the beretta 83R (burst) S&W M26 magnum-unlocks the S&W 500 magnum Ithaca...