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 collected every Jerusalem Flag.
You've collected every Hospitalier Flag in Acre.
You've slain Abul Nuqoud, Merchant King of Damascus.
Like a Blade in the Crowd, your target never knew his death laid wait within his very shadow.
You've soared with the eagles and landed safely over 50 times.
Scholars know you well and have helped you over 20 times.
The Merchants of the land now know you VERY well.
You've successfully completed the Animus tutorial.
You've protected Masyaf from the Templar invasion.
You have found the traitor and have brought him before Al Mualim.
Nothing can hinder the descent of an Eagle. Over 50 people have fallen to your relentless attacks.
Over 50 people have felt the deadly sting of your blade.
You've collected every Flag in the Kingdom belonging to Richard.
You've collected every Templar Flag in Acre.
You've collected every Teutonic Flag in Acre.
You've gathered quite a supply of throwing knives.
You've collected every Masyaf Flag.
Over 75 guards were felled by your knives.
You were bold enough to challenge 25 soldiers in a single fight... and win.
You've discovered every Reach High Point.
A strange vision has appeared to you. What could it mean?
Completed Assassin's Creed.
You've slain Robert de Sable, but there is one more...
You've fully honored the tenets of the Creed. You are a Master Assassin.
The people of Jerusalem will be forever grateful for what you've done.
You've slain Jubair, the Scribe of Damascus.
The people of Damascus will be forever grateful for what you've done.
Desmond and Altair have been completely synchronized.
You've slain Sibrand, the Teutonic Leader of Acre.
The people of Acre will be forever grateful for what you've done.
Over 100 city guards have fallen to your hunt.
You managed to scare away 25 beggars. I hope you're proud of yourself.
You've slain William of Montferrat, Liege-Lord of Acre.
You've slain Majd Addin, Regent of Jerusalem.
You remain undefeated for over 100 battles.
Survival at its best, for over 10 minutes, nothing was able to hinder your flight.
Over 100 people have witnessed your deadly performance with a blade.
You've slain Talal, Slave Trader of Jerusalem.
You've slain Garnier de Naplouse, Hospitalier Leader in Acre.
You've slain Tamir, Black Market Merchant in Damascus.
Kill every Templar.
Find All Flags in Damascus.
See 85% of all the memory glitches.
Go through every dialog with Lucy.