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