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