Full list of all 50 Assassin's Creed II achievements worth 1,000 gamerscore. It takes around 20-25 hours to unlock all of the achievements on Xbox 360.
Escape the hideout.
Complete DNA Sequence 14.
Complete DNA Sequence 11.
Complete DNA Sequence 10.
Complete DNA Sequence 9.
Spend 5000 florins on Courtesans.
Discover the Assassin's Tomb inside Santa Maria della Visitazione.
Complete DNA Sequence 8.
Discover the Assassin's Tomb inside the Basilica di San Marco.
Complete DNA Sequence 7.
Complete training and reenter the Animus.
Complete DNA Sequence 6.
Discover the Assassin's Tomb inside the Rocca di Ravaldino fortress.
Perform a Leap of Faith from the Top of Florence's Giotto's Campanile.
Complete DNA Sequence 5.
Synchronize 10 View Points.
Discover the Assassin's Tomb inside the Torre Grossa.
Unlock a piece of Subject 16's video.
Use your Eagle Vision to scan a Glyph in the environment.
Complete DNA Sequence 4.
Kill 10 enemies while remaining in conflict without being hit.
Discover the Assassin's Tomb inside Santa Maria del Fiore (The Duomo).
Discover the Assassin's Tomb inside the catacombs under Santa Maria Novella.
Intercept a Borgia Courrier.
Upgrade a building in the Stronghold.
Find the 8 statuettes in Monteriggioni.
Complete DNA Sequence 3.
Complete DNA Sequence 2.
Complete DNA Sequence 1.
Sprint for 100 meters.
Enter the Animus 2.0.
Break out of Abstergo.
Be reborn as Ezio Auditore Da Firenze.
Unlock all 20 pieces of Subject 16's video.
Hide 5 dead bodies in a Bale of Hay.
Kick a Guard while using the Flying Machine.
Stun 4 guards at once by throwing sand in their face.
Perform an Air Assassination on a Poisoned NPC.
Pickpocket 1000 Florins.
Sweep 5 guards at once by using a Long Weapon.
Complete your first assassination mission for Lorenzo Il Magnifico.
Defend a woman's honor.
Win a race against thieves!
Wear the Auditore cape in each city.
Buy a Painting from Florence and Venice.
Reach 80% of your stronghold's total value.
Tint your clothes with those colors: Wetland Ebony and Wetland Ivory.
Collect all the Feathers.
Toss more than 300 florins on the ground.
Get all Hidden Blades, Item Pouches and Armor upgrades for Ezio.