Here is the full list of all 30 Trollhunters: Defenders of Arcadia achievements.
Unlock all achievements in Trollhunters: Defenders of Arcadia.
Complete the game in Troll (Hard) Mode.
Purchase all Armor Upgrades from Vendel.
Reach the end and reset the Timeline.
Complete the game in Human (Normal) Mode.
Gather every Dirty Sock in the game.
Catch every Gnome in the game.
Defeat every Boss in the game.
Successfully reach Morgana's Castle.
Call for a healing Assist!
Successfully survive the Time-pocalypse.
Successfully complete Akiridion-5.
Complete a game of Go-Go Sushi.
Take a ride on an Akiridion Hoverboard.
Complete 3 side quests in the game.
Survive the Darklands.
Purchase any Armor Upgrade from Vendel.
Hit every target without losing a gnome in Omelrug's Gnome Challenge.
Reach new heights with an Assist!
Upgrade any Assist.
Purchase an item from Bagdwella in Trollmarket.
Successfully get through the Geode Caverns.
Have an Assist deliver a powerful smash!
Slay 50 Goblins.
Catch Luug in Trollmarket.
Visit Heartstone Trollmarket.
Successfully traverse the tunnels below Arcadia.
Catch all Gnomes in any stage.
Collect the Horngazel and get the Treasure in a stage.
Gather all Dirty Socks in any stage.