Kill 75 enemies using Executions.
Complete the entire game on Hard difficulty.
Get 250 Headshots.
Kill 10 'Ard Boyz.
Kill 2500 enemies.
Get 100 Headshots.
Kill 500 enemies using Melee weapons.
Kill 500 enemies using Ranged weapons.
Collect 10 Servo Skulls.
Kill 25 Ork Nobs.
Kill 25 enemies with Ground Pound.
Kill 100 enemies.
Multi-kill -- 2 enemies with 1 Stalker-Pattern bolter shot.
Multi-kill -- 5 enemies with 1 Frag grenade.
Kill 250 enemies using Melee Fury attacks.
Complete Chaos Invasion Arena 3.
Fully customize a Space Marine and a Chaos Space Marine character.
Kill 50 Assault Marines/Raptors in mid-air.
Kill 40,000 enemies in the game (all game modes combined).
Complete Part 1 of the game on Hard difficulty in a single session without dying or restarting.
Complete Chaos Invasion Arena 1.
Complete Chaos Invasion Arena 2.
Complete the Chaos Invasion mission.
Complete a public Co-op game in the Chaos Invasion mission.
Defeat the Chaos Invasion bonus wave.
Have 10 times more kills than deaths in a single game of Annihilation.
Complete 3 challenges in one Chaos Invasion Arena.
Kill 150 enemies using the Charge attack.
Kill 10 enemies in a row in a single Ranged Fury activation.
Achieve a team score of higher than 270,000 in the Chaos Invasion mission.
Complete a Chaos Invasion Arena without your team using any lives.
Complete 10 armor challenges.
Kill 25 opponents who are capturing your Control Point in Seize Ground.
Win 10 struggles against the Ork Nob.
Complete a Chapter of the single-player game using only Stalker-Pattern Bolter and Chainsword.
Complete a Chapter of the single-player game using only the Vengeance Launcher and Power Axe.
Complete a Chapter of the single-player campaign using only Plasma weapons.
Complete a Chapter of the single-player campaign using only the Bolt Pistol and Chainsword.
Multi-kill -- Detonate a chain of 5 consecutive Vengeance Launcher rounds, killing 10 enemies.
Collect all Servo Skulls.
Get a Multiplayer character to Lvl 20.
Complete all the weapon challenges.
Get a Multiplayer character to Lvl 30.
Get a Multiplayer character to Lvl 40.
Play 10 Multiplayer games as Space Marine and 10 Multiplayer games as Chaos Marine.
Kill 250 enemies using Exotic weapons.
Play each class in Multiplayer.
Play 10 Multiplayer games using each class.
Complete 5 weapon challenges.
Get a Multiplayer character to Lvl 10.