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