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