MGS5: The Phanton Pain - 'We are Diamond Flying Sheeps' (EN/PT)

In the Phantom Pain there will be flying sheeps!
In the next MGS5, The Phantom Pain, knocking is a feature confirmed to return. But is going to be a bit different, because you'll be using the prosthetic arm to make noises.

A currency system might be available, using diamonds and converting it to GMP somehow