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