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