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 Human (Normal) Mode.
Hit every target without losing a gnome in Omelrug's Gnome Challenge.
Reach the end and reset the Timeline.
Purchase all Armor Upgrades from Vendel.
Complete the game in Troll (Hard) Mode.
Catch every Gnome in the game.
Defeat every Boss in the game.
Gather every Dirty Sock in the game.
Successfully reach Morgana's Castle.
Call for a healing Assist!
Successfully survive the Time-pocalypse.
Successfully complete Akiridion-5.
Take a ride on an Akiridion Hoverboard.
Complete 3 side quests in the game.
Survive the Darklands.
Upgrade any Assist.
Purchase an item from Bagdwella in Trollmarket.
Purchase any Armor Upgrade from Vendel.
Reach new heights with an Assist!
Successfully get through the Geode Caverns.
Slay 50 Goblins.
Complete a game of Go-Go Sushi.
Have an Assist deliver a powerful smash!
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.