Full list of all 20 Völgarr the Viking achievements worth 1,000 gamerscore. It takes around 15-20 hours to unlock all of the achievements on Xbox One.
All achievements
Achievements they've won
Achievements they've not won
Complete the game and earn Ending A
Reach Yggdrasil's roots
Complete the game with 10 or less retries (deaths)
Complete the game and earn Ending B
Kill Fafnir before he reaches his Dragon form
Find a Key Stone
Complete the game and earn Ending C
Break the Magic Seal on Fafnir's Tower
Collect a golden walrus statue
Complete any world in 4 minutes or less
Hitch a ride on a spear attached to an enemy shield
Complete any world without ever losing any equipment
Reach the alternate path for any world
Obtain a Warrior Spirit
Unlock Mjolnir's power
Block a projectile with the shield while in the air
Defeat the Lizardmen King
Block an attack with the shield while on a rope/chain
Wield the fire sword
Kill 4 enemies with a single charged spear attack