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