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