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