Here is the full list of all 149 Assassin's Creed The Ezio Collection achievements worth 3,000 gamerscore.
Throw a Long Weapon, Heavy Weapon, and Smoke bomb more than 10 m at a guard.
Remove All Borgia Flags in Rome.
Double Assassinate from a parachute.
Complete The Da Vinci Disappearance.
Kill three guards simultaneously with only throwing knives.
Collect all Animus data fragments.
Kill 5 guards with a scaffold after they have been stunned by caltrops.
Have a guard incapacitate 3 civilians while he's poisoned.
Have 10 guards poisoned at the same time.
Craft 30 bombs.
Complete all Bomb Missions.
Complete all Faction Creed Challenges from a single faction.
Kill 5 guards in 5 seconds using only your hidden blades.
Complete the Hagia Sofia challenge level.
Collect all available books.
Complete Desmond Sequence 5.
Complete Desmond Sequence 4.
Complete Desmond Sequence 3.
Complete Desmond Sequence 2.
Complete Desmond Sequence 1.
Parachute directly from the top of the Galata Tower to the Golden Horn.
Complete DNA Sequence 9.
Complete DNA Sequence 8.
Collect all of Ishak Pasha's memoir pages.
Climb Hagia Sofia, from the ground to the pinnacle, in under 25 seconds.
Parachute onto a zipline.
Have seven trainees reach the rank of Master Assassin.
Loot 50 dead guards with thief looting.
Kill 5 guards while under the cover of a smoke screen bomb.
Complete DNA Sequence 7.
Complete DNA Sequence 6.
Find and beat up Duccio.
Complete DNA Sequence 5.
Complete DNA Sequence 4.
Get your money back from a Templar tax collector.
Control all cities (except Rhodes) simultaneously in the Mediterranean Defense game.
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.
Make it across the river Styx without failing (The Lost Archive).
Complete DNA Sequence 1.
Break the loop, escape the cycle (The Lost Archive).
Complete the Animus testing sequence 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).
Steal 5 horses from their riders, while remaining on horseback.
Jump with the parachute off the top of Castel Sant'Angelo.
Replay a Memory.
Solve all of Subject 16's Puzzles.
Complete 10 Guild Challenges.
Destroy the Bomber.
Beat up the 5 thirsty harlequins.
Kill a guard with the bag that drops from a lift.
Collect All Feathers.
Kill a guard with a broom.
Destroy the Tank.
Win the highest bet at the Fights.
Win 10,000 florins playing Hazard.
Secure the Apple of Eden.
Kill 10 guards with a single arrow storm.
Discover the Shrine in the Basilica di San Pietro.
Destroy the Naval Cannon.
Earn 3 gold medals in the Animus Virtual Training Program.
Perform an Execution Streak of 10 kills.
Discover the Shrine in the Catacombe di Roma.
Train a recruit up to the Rank of Assassin.
Discover the Shrine in Palazzo Laterano.
Discover the Shrine in the Cloaca Maxima.
Discover the Shrine in Il Colosseo.
Burn All Borgia Towers.
Recruit 3 Assassins.
Throw money in a well.
Destroy the Machine Gun.
Pay 500 florins to an orator, then pickpocket him afterward.
Achieve 100% Synchronization in any Sequence other than Sequence 1.
Renovate 5 buildings in the Antico district.
Discover the Shrine in the Terme di Traiano.
Find 1 Artifact in 2012.
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.
Toss more than 300 florins on the ground.
Wear the Auditore cape in each city.
Escape the hideout.
Complete DNA Sequence 14.
Hide 5 dead bodies in a Bale of Hay.
Complete DNA Sequence 11.
Spend 5000 florins on Courtesans.
Kill 10 enemies while remaining in conflict without being hit.
Unlock all 20 pieces of Subject 16's video.
Collect all the Feathers.
Tint your clothes with those colors: Wetland Ebony and Wetland Ivory.
Stun 4 guards at once by throwing sand in their face.
Sweep 5 guards at once by using a Long Weapon.
Find the 8 statuettes in Monteriggioni.
Get all Hidden Blades, Item Pouches and Armor upgrades for Ezio.
Discover the Assassin's Tomb inside the Torre Grossa.
Buy a Painting from Florence and Venice.
Complete DNA Sequence 10.
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.
Perform an Air Assassination on a Poisoned NPC.
Discover the Assassin's Tomb inside the Basilica di San Marco.
Discover the Assassin's Tomb inside the Rocca di Ravaldino fortress.
Complete training and reenter the Animus.
Discover the Assassin's Tomb inside Santa Maria del Fiore (The Duomo).
Pickpocket 1000 Florins.
Intercept a Borgia Courrier.
Complete your first assassination mission for Lorenzo Il Magnifico.
Discover the Assassin's Tomb inside the catacombs under Santa Maria Novella.
Upgrade a building in the Stronghold.
Unlock a piece of Subject 16's video.
Use your Eagle Vision to scan a Glyph in the environment.
Synchronize 10 View Points.
Win a race against thieves.
Sprint for 100 meters.
Defend a woman's honor.
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.
Achieve 100% Synchronization in all Sequences.
Receive 100% synch in ACB and full synch in all missions of The Da Vinci Disappearance.