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