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