Here is the full list of all 75 The Elder Scrolls V: Skyrim Special Edition achievements worth 1,550 gamerscore.
Defeat a Legendary Dragon
Acquire 11 werewolf perks
Tame and ride 5 dragons
Escape from jail
Pick 50 locks and 50 pockets
Complete "Kindred Judgment"
Use the special power of Auriel's Bow
Acquire 11 vampire perks
Craft an item out of Stalhrim
Build three houses
Learn all three words of Soul Tear
Bounty of 1000 gold in all nine holds
Complete "Beyond Death"
Returned the Thieves Guild to its former glory
Complete "Hail Sithis!"
Buy three plots of land
Collect 15 Daedric Artifacts
Complete "Lost to the Ages"
Complete "Bound Until Death"
Complete "Darkness Returns"
Complete "Glory of the Dead"
Become a member of the Circle
Complete "At the Summit of Apocrypha"
Learn all 3 words of Dragon Aspect
Learn the secrets of 5 Black Books
Reach Level 50
Own a house in Raven Rock
Complete "The Path of Knowledge"
Complete "The Temple of Miraak"
Discover 30 locations on the island of Solstheim
Complete "The Eye of Magnus"
Capture Solitude or Windhelm
Capture Fort Sungard or Fort Greenwall
Get a skill to 100
Learn 20 shouts
Complete "Dragonslayer"
Complete "The Fallen"
Successfully persuade, bribe, and intimidate
Complete "Awakening"
Find 13 Standing Stones
Complete "Revealing the Unseen"
Clear 50 dungeons
Have 100,000 gold
Make a smithed item, an enchanted item, and a potion
Complete "Elder Knowledge"
Read 50 Skill Books
Join the College of Winterhold
Chop wood, mine ore, and cook food
Complete "Alduin's Wall"
Absorb 20 dragon souls
Join the Stormcloaks or the Imperial Army
Reach Level 25
Complete "Diplomatic Immunity"
Discover 100 Locations
Complete 10 side quests
Build three wings on a house
Buy a plot of land
Join the Dark Brotherhood
Acquire a Daedric Artifact
Arrive on Solstheim
Learn all three words of a shout
Complete 50 Misc Objectives
Join the Thieves Guild
Change your face
Get married
Join the Companions
Adopt a child
Buy a house
Reach Level 10
Complete "The Way of the Voice"
Reach Level 5
Absorb a dragon soul
Complete "Bleak Falls Barrow"
Select a Standing Stone blessing
Complete "Unbound"