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