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