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