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