Complete Level 13 - Need for Greed

Complete Level 11 - Jailhouse Nok

Complete Level 9 - Power of Love

Complete Level 7 - Europe Against It

Complete Level 5 - The Big Grapple

Complete Level 3 - Space suits you, Sir!

Complete Level 1 - Pursuers in the Sewers

Break the loop, escape the cycle (The Lost Archive).

Make it across the river Styx without failing (The Lost Archive).

Find all of the decipher fragments (The Lost Archive).

Complete the Animus testing sequence without failing (The Lost Archive).

Reach the Animus memo (The Lost Archive).