Assassin's Creed cheats and cheat codes for Xbox 360

Achievements:
Complete the following achievements to award the indicated amount of 
Xbox Live Gamerscore points. 

The hands of a Thief (15 gamerscore points): 
Pickpocket 200 throwing knives.

The Eagle and The Apple - 1191 (100 gamerscore points): 
Finish Assassin's Creed.

Personal Vendetta (40 gamerscore points): 
Awarded after killed every Templar.

March of the Pious (5 gamerscore points): 
Use Scholar blending 20 times.

Keeper of the Order (10 gamerscore points): 
Awarded if you are found all of  the Templar Flags in Acre.

Keeper of the Lions Passant (25 gamerscore points): 
Awarded if you are found all of Richard's Flags in the Kingdom.

Keeper of the Four Gospels (20 gamerscore points): 
Awarded if you are found all of the Flags in Jerusalem.

Keeper of the Crescent (20 gamerscore points): 
Awarded if you are found all of the Flags in Damascus.

Keeper of the Creed (10 gamerscore points): 
Awarded if you are found all of the Flags in Masyaf.

Keeper of the Black Cross (10 gamerscore points): 
Awarded if you are found all of the Teutonic Flags in Acre.

Keeper of the 8 Virtues (10 gamerscore points): 
Find All Hospitalier Flags in Acre.

Hungerer of Knowledge (20 gamerscore points): 
See 85% of all the memory glitches.

Gifted Escapist (5 gamerscore points): 
Jump through 20 merchant stands.

Fearless (25 gamerscore points): 
Finish all Reach High Points.

Enemy of the Poor (5 gamerscore points): 
Grab and Throw 25 Harassers.

Eagle's Will (20 gamerscore points): 
Beat at least 100 opponents without losing a life.

Eagle's Talon (15 gamerscore points): 
Perform at least 50 stealth assassinations.

Eagle's Swiftness (20 gamerscore points): 
Perform at least 100 Counter Kill in Fights.

Eagle's Prey (20 gamerscore points): 
Assassinate 100 guards.

Eagle's Flight (20 gamerscore points): 
Last 10 minutes in open conflict.

Eagle's Eye (15 gamerscore points): 
Kill 75 guards by throwing knives.

Eagle's Dive (20 gamerscore points): 
Perform 50 Combo Kills in Fights.

Eagle's Dance (10 gamerscore points): 
Perform 50 leap of faith.

Eagle's Challenge (20 gamerscore points): 
Beat 25 guards in a single fight.

Disciple of the Creed (30 gamerscore points): 
Assassinate all your targets with a maximum filled DNA bar.

Defender of the People: Jerusalem (20 gamerscore points): 
Finish all of the free mission in Jerusalem.

Defender of the People: Damascus (20 gamerscore points): 
Finish all of the free mission in Damascus.

Defender of the People: Acre (20 gamerscore points): 
Finish all of the free mission in Acre.

Conversationalist (20 gamerscore points): 
Go through every dialog with Lucy.

Blade in the Crowd (30 gamerscore points): 
Kill one of your main targets like a true assassin.

Absolute Symbiosis (45 gamerscore points): 
Awarded if you have a completed Synchronization bar.


Secret achievements:

Welcome to the Animus (20 gamerscore points): 
Finish the Animus tutorial. 

Visions of the Future (50 gamerscore points): 
When available, Eagle Vision your bedroom wall. 

The Punishment for Treason (20 gamerscore points): 
Find the traitor in Masyaf and bring him before Al Mualim. 

The Blood of the Merchant King (25 gamerscore points): 
Kill Abul Nuqoud in Damascus. 

The Blood of a Teutonic Leader (25 gamerscore points): 
Kill Sibrand in Acre. 

The Blood of a Slave Trader (25 gamerscore points): 
Kill Talal in Jerusalem. 

The Blood of a Scribe (25 gamerscore points): 
Kill Jubair in Damascus. 

The Blood of a Regent (25 gamerscore points): 
Kill Majd Addin in Jerusalem. 

The Blood of a Nemesis (25 gamerscore points): 
Kill Robert de Sable in front of King Richard. 

The Blood of a Liege-Lord (25 gamerscore points): 
Kill William of Montferrat in Acre. 

The Blood of a Doctor (25 gamerscore points): 
Kill Garnier de Naplouse in Acre. 

The Blood of a Corrupt Merchant (25 gamerscore points): 
Kill Tamir in Damascus. 

Hero of Masyaf (20 gamerscore points): 
Protect Masyaf from the Templar invasion. 


Using assasination types:

Silent assassination: 
Hold LB and press X. 

Pros: 
-Silent, so nobody hears you
-Works best when used behind guards 

Cons: 
-You have to sneak behind the guards
-It has less of a chance of working

Loud assassination: 
Hold LB + RB and press X. 

Pros: 
-You can perform this while running up to a guard 
-Almost always works from any angle
 
Cons: 
-It is noisy and causes civilians to run for guards. 


Completion bonus - Kill anyone:
Complete the game. When the Memory Blocks are played again in Story mode 
you can slay anyone without consequences.