Eliminate 5 made men with the appropriate kill condition.

Promote one of your made men to Capo.

Use the RIG to give an item to your Co-Op partner.

Listen to all phone messages

Find all 3 helmets in the SP campaign

Eat 10 pieces of food in SP

That was just the appetizer!

Acquire all trophies.

Kill all of the catfish in the underwater level

Watch the credits all the way through

Complete the SP campaign on Easy Difficulty

Complete the SP campaign on Hard Difficulty