Intercept a Borgia Courrier.

Unlock a piece of Subject 16's video.

Synchronize 10 View Points.

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

Break out of Abstergo.

Discover Basim's past

Obtain a treasure by solving an enigma

Pay musicians 5 times

Pay merchant groups 5 times

Have 10 guards trigger traps

Kill 5 guards with one use of Assassin's Focus

Bring all 7 lost books to Al-Jahiz

Pickpocket a guard affected by a blowdart