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