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