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