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