Wear the Auditore cape in each city.

Collect all the Feathers.

Buy a Painting from Florence and Venice.

Perform a Leap of Faith from the Top of Florence's Giotto's Campanile.

Toss more than 300 florins on the ground.

Defeat 30 enemies in a row with your side arm

Finish the game in Hard Mode

Defeat 30 enemies with the RPG - 7

Defeat ten enemies with grenades by aiming while hanging

Complete one Competitive Multiplayer game

Defeat ten enemies in a row, alternating hand-to-hand combat and gunplay

Kill 10 enemies with thrown-back grenades