Full list of all 45 Fortnite achievements worth 1,000 gamerscore.
The base game contains 0 achievements worth 0 Gamerscore, and there is 1 DLC pack containing 45 achievements worth 1,000 Gamerscore.
Completed "Survivor Training - Stage 2"
Completed "Rifty Business"
Completed "Six Minutes"
Completed "Weapon/Trap Evolution"
Completed "Ray.README"
Completed "Defender Training - Stage 2"
Completed "Epic Troll Stash"
Completed "All Together Now" (Daily Quest)
Completed "Two Swirls"
Completed "Plankerton Storm Shield Defense 1"
Completed all the Main Quests in Stonewood
Completed "Homebase Storm Shield Defense 6"
Completed "Hero Training - Stage 2"
Completed "Rescue the Survivors"
Unlocked access to the Outlander Hero
Unlocked access to the Ninja Hero
Unlocked and Slotted your first Mission Defender
Unlocked and Slotted your first Storm Shield Defender
Completed "Retrieve the Data"
Completed "Ride the Lightning"
Completed "Before and After Science"
Unlocked access to the Constructor Hero
Completed "Homebase Storm Shield Defense 1"
Completed your first mission
Protected the survivors
Crafted your first weapon
Complete "Shelter Skelter"
Complete "The Battle of Plank Harbor"
Complete "Plankerton Storm Shield Defense 6"
Complete all the Main Quests in Plankerton
Complete "Canny Valley Storm Shield Defense 1"
Complete "Quad Squad"
Complete "Canny Valley Storm Shield Defense 6"
Complete all the Main Quests in Canny Valley
Complete "Twine Peaks Storm Shield Defense 1"
Complete "Twine Peaks Storm Shield Defense 6"
Complete "Toxic Treasures - Stage 10"
Build 500,000 Structures in successful missions
Destroy 100 Garden Gnomes in successful missions
Save 10,000 Survivors in successful missions
Loot 300 Treasure Chests in successful missions
Fully explore 1,500 zones in successful missions
Kill 20,000 Mist Monsters in successful missions
Complete 1,000 Play With Others missions
Complete "I'm Probably Dead"