Synchronize 10 View Points.

Use your Eagle Vision to scan a Glyph in the environment.

Find yourself a friend

Check all links in the MPT network and start the journey to Tombaugh

Collect an audiolog

Acquire all the trophies.

Find a PCB for Auto-9 in a secret area of Steel Mill

Complete No Way Out quest.

Complete DNA Sequence 1.

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

Break out of Abstergo.

Hack an enemy turret.