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