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