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