Assassin's Creed 4: Black Flag gets new footage

Ubisoft has released more footage for Assassin's Creed 4: Black Flag, this time showing off how to search for treasure underwater.

The upcoming pirate game will allow players to sail the seas in search of loot and visit the sites of shipwrecks.

Upon finding a shipwreck you can go into the water and swim around looking for treasure, but you'll have to be wary of sharks and other unfriendly creatures down there.

Watch it below.

Assassin's Creed 4: Black Flag launches 29 October for Xbox 360, PlayStation 3, PC and Wii U before heading to next-gen consoles later in the year.