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