Sprint for 100 meters.

Defend a woman's honor.

Enter the Animus 2.0.

Be reborn as Ezio Auditore Da Firenze.

Destroy all enemies on vehicles during the prison break.

Get 1,000,000 fans in MyCAREER mode.

Get 5 headshots in a row using the same clip.

Complete 5 missions in Co-Op.

Kill 10 enemies with exploding canisters.

Win the Rising Stars Challenge.

Escape the restaurant in 'Laying Low' without being downed on any difficulty.

Kill 5 enemies in 15 seconds with any pistol.