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