Full list of all 44 Assassin's Creed achievements worth 1,000 gamerscore. It takes around 20-25 hours to unlock all of the achievements on Xbox 360.
You've slain Talal, Slave Trader of Jerusalem.
A strange vision has appeared to you. What could it mean?
Completed Assassin's Creed.
You've made a friend within the walls of Abstergo Industries.
You've slain Robert de Sable, but there is one more...
You've witnessed Altair's Memorable Moments in all their splendor.
You've fully honored the tenets of the Creed. You are a Master Assassin.
You've collected every Jerusalem Flag.
You've discovered every Reach High Point.
The people of Jerusalem will be forever grateful for what you've done.
Every Templar has fallen to your hand.
You've slain Sibrand, the Teutonic Leader of Acre.
You've collected every Teutonic Flag in Acre.
The people of Acre will be forever grateful for what you've done.
You've slain Jubair, the Scribe of Damascus.
You've collected every Damascus Flag.
The people of Damascus will be forever grateful for what you've done.
You've slain Abul Nuqoud, Merchant King of Damascus.
You've slain Majd Addin, Regent of Jerusalem.
Desmond and Altair have been completely synchronized.
You've gathered quite a supply of throwing knives.
You've slain William of Montferrat, Liege-Lord of Acre.
You've collected every Templar Flag in Acre.
You were bold enough to challenge 25 soldiers in a single fight... and win.
Over 75 guards were felled by your knives.
You've collected every Flag in the Kingdom belonging to Richard.
You've slain Garnier de Naplouse, Hospitalier Leader in Acre.
You've collected every Hospitalier Flag in Acre.
You managed to scare away 25 beggars. I hope you're proud of yourself.
Survival at its best, for over 10 minutes, nothing was able to hinder your flight.
Nothing can hinder the descent of an Eagle. Over 50 people have fallen to your relentless attacks.
You've soared with the eagles and landed safely over 50 times.
You remain undefeated for over 100 battles.
Over 100 people have witnessed your deadly performance with a blade.
Over 100 city guards have fallen to your hunt.
You've collected every Masyaf Flag.
You've slain Tamir, Black Market Merchant in Damascus.
Like a Blade in the Crowd, your target never knew his death laid wait within his very shadow.
Scholars know you well and have helped you over 20 times.
The Merchants of the land now know you VERY well.
Over 50 people have felt the deadly sting of your blade.
You have found the traitor and have brought him before Al Mualim.
You've protected Masyaf from the Templar invasion.
You've successfully completed the Animus tutorial.