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