Here is the full list of all 10 Wrath of Loki VR Adventure achievements.
Finish a rune minigame in less than 1 minute
Finish final minigame in less than 3 minutes
Defeat Loki and save the world
Charge Mjölnir with thunder power
Get into the tent
Finish any Hidden Object Puzzle in less than 2 minutes
Complete any Hidden Object Puzzle without using hints
Complete one Hidden Object with less than 5 miss clicks
Find 3 Hidden Objects in 5 seconds
Activate the first portal