Accomplish the indicated achievement to get the corresponding number of Gamerscore points:

Completed Act One in Thane (20 points): Complete Act One in Thane Difficulty.
Completed Act Two in Thane (20 points): Complete Act Two in Thane Difficulty.
Game Completed in Thane (50 points): Complete the game in Thane Difficulty.
Completed Act One in Legend (60 points): Complete Act One in Legend Difficulty.
Completed Act Two in Legend (60 points): Complete Act Two in Legend Difficulty.
Game Completed in Legend (80 points): Complete the game in Legend Difficulty.
Legendary Collector (50 points): Find all the Legendary Weapons.
The Untouchable (30 points): Block at least 58 Attacks.
Collateral Damage (30 points): Break 58 different objects.
The Dodger (20 points): Dodge at least 88 times.
Prison Break (20 points): Find and save all Thane Prisoners.
Carnal Collector (20 points): Find and collect all Carnal Rune Pieces.
Heroic Collector (20 points): Find and collect all Heroic Runes Pieces.
Morale Gasser (20 points): Activate the Heroic Storm 38 times.
Weapon Theft (30 points): Steal a weapon from 28 different enemies.
The Slayer (20 points): Kill multiple enemies with a single attack on 28 different occasions.
Weapons of Choice (30 points): Kill at least 1 enemy with each of the available weapon types.
Reign'in Blood (30 points): Obtain all of the Carnal Upgrades.
Rise of the King (30 points): Obtain all of the Heroic Upgrades.
Brass Knuckles (30 points): Kill 58 enemies with your bare hands.
Towering Strength (20 points): Use Pillars to kill 8 enemies.
Memento of Carnage (20 points): Kill 8 people within 1 Carnal Fury.
Memento of Glory (20 points): Kill 8 enemies within 1 Heroic Storm.
Mythical Monster Slayer (30 points): Max carnal index reached.
Legendary King (30 points): Reach max heroic index.
The Perfect Song (60 points): Perform the Grendel Song perfectly.
Eye Gouger (30 points): Defeat the Sea Serpent.
Arm Ripper (30 points): Defeat Grendel.
Heart Crusher (30 points): Defeat the Wolf.
Ice Breaker (30 points): Defeat Hela.
Dragonheart (30 points): Defeat the Dragon.