Here is the full list of all 149 Assassin's Creed The Ezio Collection achievements worth 3,000 gamerscore.
Achieve 100% Synchronization in all Sequences.
Complete DNA Sequence 9.
Complete DNA Sequence 8.
Complete DNA Sequence 7.
Collect all Animus data fragments.
Collect all available books.
Complete DNA Sequence 6.
Complete DNA Sequence 5.
Parachute directly from the top of the Galata Tower to the Golden Horn.
Kill 5 guards in 5 seconds using only your hidden blades.
Parachute onto a zipline.
Kill three guards simultaneously with only throwing knives.
Complete the Hagia Sofia challenge level.
Collect all of Ishak Pasha's memoir pages.
Have seven trainees reach the rank of Master Assassin.
Kill 5 guards with a scaffold after they have been stunned by caltrops.
Complete all Faction Creed Challenges from a single faction.
Have 10 guards poisoned at the same time.
Complete DNA Sequence 4.
Loot 50 dead guards with thief looting.
Complete all Bomb Missions.
Find and beat up Duccio.
Kill 5 guards while under the cover of a smoke screen bomb.
Complete Desmond Sequence 5.
Complete Desmond Sequence 4.
Make it across the river Styx without failing (The Lost Archive).
Have one trainee reach the rank of Master Assassin.
Complete DNA Sequence 3.
Craft 30 bombs.
Complete the Animus testing sequence without failing (The Lost Archive).
Climb Hagia Sofia, from the ground to the pinnacle, in under 25 seconds.
Have a guard incapacitate 3 civilians while he's poisoned.
Get your money back from a Templar tax collector.
Control all cities (except Rhodes) simultaneously in the Mediterranean Defense game.
Complete Desmond Sequence 3.
Complete Desmond Sequence 2.
Assassinate 50 guards with the hidden blade.
Break the loop, escape the cycle (The Lost Archive).
Experience the loop (The Lost Archive).
Find all of the decipher fragments (The Lost Archive).
Finish memory five (The Lost Archive).
Enter the Animus simulation (The Lost Archive).
Complete DNA Sequence 2.
Perform a perfect Den Defense without using the cannon.
Reach the Animus memo (The Lost Archive).
Take the induction leap of faith (The Lost Archive).
Land on a block after falling more than 25 meters (The Lost Archive).
Complete Desmond Sequence 1.
Complete DNA Sequence 1.
Receive 100% synch in ACB and full synch in all missions of The Da Vinci Disappearance.
Complete The Da Vinci Disappearance.
Perform an Execution Streak of 10 kills.
Win 10,000 florins playing Hazard.
Win the highest bet at the Fights.
Throw a Long Weapon, Heavy Weapon, and Smoke bomb more than 10 m at a guard.
Solve all of Subject 16's Puzzles.
Jump with the parachute off the top of Castel Sant'Angelo.
Remove All Borgia Flags in Rome.
Secure the Apple of Eden.
Discover the Shrine in the Basilica di San Pietro.
Discover the Shrine in the Cloaca Maxima.
Discover the Shrine in Palazzo Laterano.
Double Assassinate from a parachute.
Burn All Borgia Towers.
Achieve 100% Synchronization in any Sequence other than Sequence 1.
Discover the Shrine in Il Colosseo.
Destroy the Bomber.
Collect All Feathers.
Destroy the Tank.
Destroy the Naval Cannon.
Replay a Memory.
Beat up the 5 thirsty harlequins.
Kill a guard with a broom.
Earn 3 gold medals in the Animus Virtual Training Program.
Discover the Shrine in the Catacombe di Roma.
Destroy the Machine Gun.
Kill 10 guards with a single arrow storm.
Complete 10 Guild Challenges.
Train a recruit up to the Rank of Assassin.
Throw money in a well.
Steal 5 horses from their riders, while remaining on horseback.
Renovate 5 buildings in the Antico district.
Recruit 3 Assassins.
Pay 500 florins to an orator, then pickpocket him afterward.
Kill a guard with the bag that drops from a lift.
Find 1 Artifact in 2012.
Access your email in 2012.
Discover the Shrine in the Terme di Traiano.
Find a secure place to hide and re-enter the Animus.
Attempt to access DNA Sequence 9 for the first time.
Escape the hideout.
Complete DNA Sequence 14.
Complete DNA Sequence 11.
Kill 10 enemies while remaining in conflict without being hit.
Spend 5000 florins on Courtesans.
Tint your clothes with those colors: Wetland Ebony and Wetland Ivory.
Wear the Auditore cape in each city.
Discover the Assassin's Tomb inside the Basilica di San Marco.
Discover the Assassin's Tomb inside Santa Maria della Visitazione.
Collect all the Feathers.
Complete DNA Sequence 10.
Sweep 5 guards at once by using a Long Weapon.
Stun 4 guards at once by throwing sand in their face.
Toss more than 300 florins on the ground.
Pickpocket 1000 Florins.
Unlock all 20 pieces of Subject 16's video.
Get all Hidden Blades, Item Pouches and Armor upgrades for Ezio.
Kick a guard while using the Flying Machine.
Buy a Painting from Florence and Venice.
Reach 80% of your stronghold's total value.
Complete training and reenter the Animus.
Discover the Assassin's Tomb inside the Torre Grossa.
Discover the Assassin's Tomb inside the Rocca di Ravaldino fortress.
Complete your first assassination mission for Lorenzo Il Magnifico.
Perform an Air Assassination on a Poisoned NPC.
Discover the Assassin's Tomb inside Santa Maria del Fiore (The Duomo).
Discover the Assassin's Tomb inside the catacombs under Santa Maria Novella.
Defend a woman's honor.
Intercept a Borgia Courrier.
Find the 8 statuettes in Monteriggioni.
Win a race against thieves.
Hide 5 dead bodies in a Bale of Hay.
Upgrade a building in the Stronghold.
Unlock a piece of Subject 16's video.
Use your Eagle Vision to scan a Glyph in the environment.
Sprint for 100 meters.
Synchronize 10 View Points.
Perform a Leap of Faith from the Top of Florence's Giotto's Campanile.
Enter the Animus 2.0.
Break out of Abstergo.
Be reborn as Ezio Auditore da Firenze.