CheatCodes.com has the complete list of all Assassin's Creed Achievements and Gamerscores for X360, including all secret Achievements. All official X360 achievements for Assassin's Creed as of Thursday August 21, 2014 are shown below, or you can print out our Printable Achievements Checklist that shows all Assassin's Creed Achievements and Gamerscores in a simple quick-reference format.
Complete Assassin's Creed.
Kill every Templar.
Find All of Richard's Flags in the Kingdom.
Find All Flags in Masyaf.
Find All Flags in Jerusalem.
Find All Flags in Damascus.
Have a complete Synchronization bar.
Complete all Reach High Points.
See 85% of all the memory glitches.
Complete every free mission in Acre.
Complete every free mission in Jerusalem.
Complete every free mission in Damascus.
Go through every dialog with Lucy.
Assassinate all your targets with a full DNA bar.
Defeat 100 opponents without dying.
Last 10 minutes in open conflict.
Assassinate 100 guards.
Kill one of your main targets like a true assassin.
Defeat 25 guards in a single fight.
Perform 100 Counter Kill in Fights.
Perform 50 Combo Kills in Fights.
Perform 50 stealth assassinations.
Perform 50 leap of faith.
Pickpocket 200 throwing knives.
Use Scholar blending 20 times.
Kill 75 guards by throwing knives.
Grab and Throw 25 Harassers.
Jump through 20 merchant stands.
Find All Teutonic Flags in Acre.
Find all Templar Flags in Acre.
Find All Hospitalier Flags in Acre.