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