Collect all available books.

Unlocked: 25 Nov 2011 22:49:32

Achieve 100% Synchronization in all Sequences.

Unlocked: 25 Nov 2011 22:06:39

Complete all Faction Creed Challenges from a single faction.

Unlocked: 25 Nov 2011 20:57:57

Have seven trainees reach the rank of Master Assassin.

Unlocked: 25 Nov 2011 20:57:55

Reach level 20 (Multiplayer).

Unlocked: 23 Nov 2011 18:04:04

Finish a session of each game mode (Multiplayer).

Unlocked: 20 Nov 2011 18:47:51

Complete all Bomb Missions.

Unlocked: 20 Nov 2011 16:59:19

Win a session of a team mode (Multiplayer).

Unlocked: 20 Nov 2011 15:07:01

Have 10 guards poisoned at the same time.

Unlocked: 19 Nov 2011 09:18:37

Kill three guards simultaneously with only throwing knives.

Unlocked: 19 Nov 2011 08:31:32

Kill 5 guards in 5 seconds using only your hidden blades.

Unlocked: 19 Nov 2011 07:45:35

Collect all animus data fragments.

Unlocked: 18 Nov 2011 17:03:04

Kill 5 guards with a scaffold after they have been stunned by caltrops.

Unlocked: 18 Nov 2011 15:09:07

Kill 5 guards while under the cover of a smoke screen bomb.

Unlocked: 18 Nov 2011 14:47:23

Get your money back from a Templar tax collector.

Unlocked: 18 Nov 2011 14:28:54

Loot 50 dead guards with thief looting.

Unlocked: 18 Nov 2011 14:28:01

Obtain 13 different Accolades (Multiplayer).

Unlocked: 16 Nov 2011 17:18:56

Complete DNA Sequence 9.

Unlocked: 16 Nov 2011 16:43:27

Complete DNA Sequence 8.

Unlocked: 16 Nov 2011 16:20:53

Complete DNA Sequence 7.

Unlocked: 16 Nov 2011 15:22:19

Complete DNA Sequence 6.

Unlocked: 16 Nov 2011 13:51:57

Control all cities (except Rhodes) simultaneously in the Mediterranian Defense game.

Unlocked: 16 Nov 2011 11:15:24

Complete Desmond Sequence 5.

Unlocked: 16 Nov 2011 11:08:19

Complete DNA Sequence 5.

Unlocked: 16 Nov 2011 10:56:26

Perform a perfect den defense without using the cannon.

Unlocked: 16 Nov 2011 09:23:37

Complete the Hagia Sofia challenge level.

Unlocked: 16 Nov 2011 08:08:57

Complete Desmond Sequence 4.

Unlocked: 16 Nov 2011 07:59:56

Complete Desmond Sequence 3.

Unlocked: 16 Nov 2011 07:50:34

Collect all of Ishak Pasha's memoir pages.

Unlocked: 16 Nov 2011 07:29:27

Find and beat up Duccio.

Unlocked: 16 Nov 2011 06:48:33

Craft 30 bombs.

Unlocked: 15 Nov 2011 21:20:17

Have a guard incapacitate 3 civilians while he's poisoned.

Unlocked: 15 Nov 2011 21:10:58

Complete DNA Sequence 4.

Unlocked: 15 Nov 2011 19:54:12

Parachute directly from the top of the Galata Tower to the golden horn.

Unlocked: 15 Nov 2011 19:31:22

Complete Desmond Sequence 2.

Unlocked: 15 Nov 2011 18:35:35

Parachute onto a zipline.

Unlocked: 15 Nov 2011 17:56:09

Customize a PERSONA (Multiplayer).

Unlocked: 15 Nov 2011 17:38:10

Edit your TEMPLAR PROFILE to change your title, emblem, and patron (Multiplayer).

Unlocked: 15 Nov 2011 17:36:11

Purchase your first ABILITY in the Abstergo Store (Multiplayer).

Unlocked: 15 Nov 2011 17:35:54

Complete a Challenge (Multiplayer).

Unlocked: 15 Nov 2011 17:28:42

Score at least 2505 points in a session (Multiplayer).

Unlocked: 15 Nov 2011 17:20:58

Earn the INCOGNITO bonus (Multiplayer).

Unlocked: 15 Nov 2011 16:42:45

Climb Hagia Sofia, from the ground to the pinnacle, in under 25 seconds.

Unlocked: 15 Nov 2011 13:41:03

Complete DNA Sequence 3.

Unlocked: 15 Nov 2011 13:19:11

Have one trainee reach the rank of Master Assassin.

Unlocked: 15 Nov 2011 13:19:09

Assassinate 50 guards with the hidden blade.

Unlocked: 15 Nov 2011 13:13:30

Complete Desmond Sequence 1.

Unlocked: 15 Nov 2011 12:56:22

Complete DNA Sequence 2.

Unlocked: 15 Nov 2011 10:12:40

Complete DNA Sequence 1.

Unlocked: 15 Nov 2011 09:21:49

Perform 5 Ground Finish in Manhunt during a session as The Brigand (Multiplayer).

Unlocked: 14 Dec 2011 09:08:47

Use the Bodyguard against your pursuer as The Privateer (Multiplayer).

Unlocked: 14 Dec 2011 08:18:09

Perform 3 kills using the Charge as The Gladiator (Multiplayer).

Unlocked: 14 Dec 2011 08:14:50

Obtain 3 Hidden Gun kills during a session of Steal The Artifact as The Corsair (Multiplayer).

Unlocked: 14 Dec 2011 07:45:45

Perform 5 Leaps of Faith during a session of Assassinate in Imperial District (Multiplayer).

Unlocked: 24 Jan 2012 18:21:51

Obtain 2 Variety bonuses during a session in Firenze (Multiplayer).

Unlocked: 24 Jan 2012 17:59:21

Perform 2 kills from haystacks during a session in San Donato (Multiplayer).

Unlocked: 24 Jan 2012 17:46:58

Obtain 5 Kill Assist bonuses during a session of any Team Mode in Dyers (Multiplayer).

Unlocked: 24 Jan 2012 17:38:02

Perform 3 Stuns without dying in Jerusalem (Multiplayer).

Unlocked: 24 Jan 2012 17:30:54

Stay blended for 3 minutes during a Wanted session in Siena (Multiplayer).

Unlocked: 24 Jan 2012 17:23:24

Complete the Animus testing sequence without failing

Unlocked: 01 Mar 2012 16:07:28

Make it across the river Styx without failing

Unlocked: 01 Mar 2012 15:57:13

Break the loop, escape the cycle

Unlocked: 01 Mar 2012 15:51:43

Find all decipher fragments

Unlocked: 01 Mar 2012 15:44:10

Experience the loop

Unlocked: 01 Mar 2012 15:31:15

Finish memory five

Unlocked: 01 Mar 2012 14:53:40

Enter the Animus simulation

Unlocked: 01 Mar 2012 14:18:46

Reach the Animus memo

Unlocked: 01 Mar 2012 14:05:37

Take the induction leap of faith

Unlocked: 01 Mar 2012 13:56:31

Land on a block after falling more than 25 meters

Unlocked: 01 Mar 2012 13:46:06