Complete the game on Valhallan Difficulty (hardest).
Complete all Feats in the game.
Complete all Feats in Asgard Besieged.
Maximize Thor's Odinforce.
Maximize Thor's Health.
Complete all Feats in Muspelheim.
Complete all Feats in Niflheim.
Complete all Feats in Asgard.
Complete the defense of Asgard with 75% Morale.
Unlock all costumes.
Crash the Core Drill within 4 minutes of landing on it.
Extinguish 10 Warlord flames with Wind Powers.
Complete River Barge area with Mire Giant at 40% Health or better.
Acquire all Valor Upgrades.
Unlock all Lightning Colors.
Open the Cave of Ages within 4 minutes.
Knock 30 enemies into abysses on Muspelheim.
Stop the Resonator Beams in the Smelting Room without getting hit by them.
Complete Vanaheim.
Reflect 3 of the War Beast projectiles.
Continue playing to unlock this secret achievement.
Kill 4 or more enemies with a single melee attack.
Destroy the Jötun Ice Bridge.
Complete Asgard.
Kill 10 Jötun Invaders within 30 seconds.
Acquired an upgrade.
Complete the game.
Defeat a giant enemy without taking any damage.
Complete Niflheim.
Quickly obliterate 30 Frost Giants during the first battle on Niflheim.
Complete all Feats in Vanaheim.
Complete Muspelheim.
Prevent the Scabrite Bomb from detonating without using any tap or charged Elemental Powers.
