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