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