Accomplish the indicated achievement to get the number of Gamerscore points:
Prison Break (20 GP): Free Samael from his prison.
Death Dealer (10 GP): Meet Vulgrim.
Like A Bat Outta Hell (40 GP): Defeat Tiamat.
One Tough Cookie (10 GP): Meet Ulthane.
Rocked Your Face Off (40 GP): Defeat The Griever.
Ashes to Ashes (40 GP): Defeat The Stygian.
One Mean Mother (40 GP): Defeat Silitha.
Payback's A B**** (50 GP): Defeat Straga.
The Final Challenger? (70 GP): Defeat The Destroyer.
Balance Restored (100 GP): Complete the game on Normal difficulty.
The True Horseman (100 GP): Complete the game on Apocalyptic difficulty.
To Move A Mountain (10 GP): Collect the Earthcaller.
Who's Counting? (20 GP): Defeat more angels than Ulthane.
Reach Out And Touch Somebody (10 GP): Collect the Abyssal Chain.
Into the Void (10 GP): Collect the Voidwalker.
Elemental Thief (10 GP): Collect the Crossblade.
Sight Beyond Sight (10 GP): Collect the Mask of Shadows.
Devastator (10 GP): Kill 10 enemies with one Blade Geyser wrath attack.
Tremor Bringer (10 GP): Collect the Tremor Gauntlet.
An Old Friend (10 GP): Collect Mercy.
Reaper (10 GP): Collect the Scythe.
Aerial Predator (20 GP): Kill 160 enemies while on the angelic beast.
Full Power (20 GP): Collect the maximum amount of lifestones.
Wrath of War (20 GP): Collect the maximum amount of wrath cores.
Wrath Machine (10 GP): Collect all the Wrath Powers.
Reunited (20 GP): Obtain Ruin.
Don't Make Me Angry (20 GP): Collect the Chaos Form Ability.
Chasm Jumper (10 GP): Gain the Shadowflight Ability.
Legendary Form (20 GP): Collect the Abyssal Armor Set.
Time Lapse (15 GP): Gain the Chronomancer Ability.
Battle Hardened (20 GP): Max out all weapons and unlock all combat moves.
High Flier (20 GP): Kill 5 duskbats without touching the ground.
Improvised Kills (10 GP): Kill 150 enemies with items from the environment.
You Call This Easy? (10 GP): Complete the game on Easy difficulty.
Open Air Parking (5 GP): Destroy a helicopter during the apocalypse with a vehicle.