Here is the complete list of achievements for Thor: God of Thunder for the Xbox 360, with a few secret achievements as well listed at the bottom.
Barge Hauler (10 points) – Complete River Barge area with Mire Giant at 40% Health or better
Cold Warrior (50 points) – Complete all Feats in Niflheim
Crash Landing (10 points) – Crash the Core Drill within 4 minutes of landing on it
Electric (25 points) – Unlock all Lightning Colors
Favored Prince (50 points) – Complete all Feats in Asgard
Feat Fetish (100 points) – Complete all Feats in the game
Fire Fighter (50 points) – Complete all Feats in Muspelheim
Flawless Defense (25 points) – Complete the defense of Asgard with 75% Morale
Golden Apples! (25 points) – Maximize Thor’s Health
If He Be Worthy (25 points) – Defeat a giant enemy without taking any damage
Into the Void! (10 points) – Knock 30 enemies into abysses on Muspelheim
Jungle Runner (50 points) – Complete all Feats in Vanaheim
Legend of Valhalla (100 points) – Complete the game on Valhallan Difficulty
Like Father, Like Son (25 points) – Maximize Thor’s Odinforce
Marvelous (25 points) – Unlock all costumes
Prodigal Son (50 points) – Complete all Feats in Asgard Besieged
Rage of Battle (10 points) – Kill 10 J’tun Invaders within 30 seconds
Reap What You Sow (25 points) – Complete Niflheim
Resonator (5 points) – Stop the Resonator Beams in the Smelting Room without getting hit by them
Savior of Asgard (100 points) – Complete the game
Set in Motion (25 points) – Complete Asgard
Sharpshooter (5 points) – Destroy the J’tun Ice Bridge
Sins of the Father (25 points) – Complete Vanaheim
Slayer (10 points) – Quickly obliterate 30 Frost Giants during the first battle on Niflheim
Snuff Job (10 points) – Extinguish 10 Warlord flames with Wind Powers
Spelunker (10 points) – Open the Cave of Ages within 4 minutes
The Bomb (5 points) – Prevent the Scabrite Bomb from detonating without using any tap or charged Elemental Powers
The Mighty Thor (50 points) – Acquire all Valor Upgrades
Through the Fire (25 points) – Complete Muspelheim
Valorous (5 points) – Acquired an upgrade
Volley (5 points) – Reflect 3 of the War Beast projectiles
Warrior’s Madness (15 points) – Kill 4 or more enemies with a single melee attack
There are also three secret achievements for a total of 40 additional gamer points.
Ejected (5 points) – Rip the J’tun warrior out of the Frost Goliath’s chest
Gentle Giant (10 points) – Spare a Mire Giant
Homecoming King (25 points) – Defeat Mangog