Find a secure place to hide and re-enter the Animus.
Complete DNA Sequence 1.
Attempt to access DNA Sequence 9 for the first time.
Defeat A.I.M. and save the S.H.I.E.L.D. Helicarrier.
Destroy the A.I.M. Arc Armiger without using missile deflection.
Bust out all your Skillz, Bounces, and Slides for 1 million style shot points!
Complete the "Shanghai Showdown" level in Story Mode.
Complete the "Into the Mountains" level in Story Mode.
Complete the "The Lost Temple" level in Story Mode.
You have constructed a building!
You have built a Wonder of the World!
You have developed a new technology!
You have unlocked a great person!
Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops.
Earn 1 star in Special Ops.
Completed Ain't That a Kick in the Head.
Die nine times in any one level
Clear all the pegs in a level. It's pretty extreme, but you look up to it. (Except Duel)
Defeated the Leviathan
Arrived safely at Mount Kadar Stranded camp
Completed the second mission of the Campaign.
Find 10 Treasures
Discovered the location of the Locust queen
Recovered 5 of 41 collectibles
Performed a chainsaw multiple bypass
Cure your need for fever with an Extreme Fever. (Except Duel)
Defend a woman's honor.
Sprint for 100 meters.
Unlock the Mark III Iron Man armor.
Save Rhodey and the Stark mobile armory from the A.I.M. attack.
Destroy Project PROTEAN.
Complete Act I.
Defeat 100 enemies in close combat.
Unlock the Classic Mark I Iron Man armor.
Defeat the Crimson Dynamo.
Defend Burger Town.
Kill at least 10 enemies with one Predator missile in Single Player or Special Ops.
Enter the Animus 2.0.
Break out of Abstergo.
Be reborn as Ezio Auditore Da Firenze.
Get the crowbar.
Escape the apartment block raid.
Freed Baird from capture
Watched Ilima sink
Seen the sights with Betty
Escorted Betty to Landown
Successfully defended the hospital
Completed the first mission of the Campaign.
Killed 5 enemies with the needler in a ranked free for all playlist or in campaign.