Quantum Theory (Xbox 360) Cheats

Quantum Theory cheats, Achievements, and Codes for Xbox 360.


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Complete each achievement to get the allotted gamerscore. The numbers between the () is the points given for each achievement.
AchievementHow to unlock
Hunter (10)Kill 500 enemies.
Predator (50)Kill 1000 enemies.
Headache (20)Kill 200 enemies with headshots.
Major League (20)Land 200 combo throws.
Cut a Rug (20)Land 100 full combo attacks. (3 consecutive hits)
Ninja Style (20)Filena killed 50 enemies.
Privacy Issues (10)Destroy 1 Watcher. (1/50)
Stop Looking At Me! (30)Destroy 20 Watchers. (20/50)
Leave Me Alone! (50)Destroy 50 Watchers. (50/50)
Novice (5)Obtain the rank of Novice.
Soldier (10)Obtain the rank of Soldier.
Mercenary (20)Obtain the rank of Mercenary.
Commando (20)Obtain the rank of Commando.
Elite (20)Obtain the rank of Elite.
Slayer (20)Obtain the rank of Slayer.
Berserker (30)Obtain the rank of Berserker.
Storm (30)Obtain the rank of Storm.
Immortal (50)Obtain the rank of Immortal.
Lone Gunman (20)Kill all members of the opposing team alone. (8-player Team Battle)
All Mine (20)Kill all other players in an 8-player Deathmatch.
On a Roll (20)Kill 10 opponents in a row during one match.
Killing Spree (20)Kill 20 opponents in one match.
Triage (20)Revive 10 teammates in one match.
Secret Achievements-
Pierce the Skin (5)Clear The Root of the Tower.
Through the Viscera (5)Clear Trachea.
Xylem (5)Clear Lumenosynthetic Reactor 2.
Fetus (5)Clear The Womb.
Clear Your Mind (5)Clear Cavitas Cranii.
Dermal Lesion (15)Clear The Root of the Tower on Hard.
Internal Trauma (15)Clear Trachea on Hard.
Phloem (15)Clear Lumenosynthetic Reactor 2 on Hard.
Breech (15)Clear The Womb on Hard.
Subdural Hematoma (15)Clear Cavitas Cranii on Hard.
Enlightenment (15)Clear The Seed of Gnosis.
Death & Rebirth (30)Clear the entire game on Hard.
Professional Exterminator (20)Kill the Gargantua on Hard in 2 minutes 30 seconds or less.
Steady, Steady... (20)Shoot an enemy with a Plasma Lancer from 50m.
Five Birds, One Stone (20)Hit 5 enemies with one shot from the Ifrit.
Killing Connoisseur (30)Kill 10 enemies with every firearm Syd can equip. (Melee kills don't count.)
Matador (20)Kill the Dreadnought on Hard in 2 minutes or less.
Fight Fire with Fire (20)Shoot down 10 projectiles from the Raven.
Getting Intimate (20)Kill 100 enemies with melee attacks using the Bloodcleaver.
Gladiator (20)Kill the Chariot during Thorax on Hard in 1 minute 30 seconds or less.
Warrior (20)Defeat Thanatos on Hard in 1 minute 30 seconds or less.
Nevermore (20)Kill the Raven on Hard in 2 minutes or less.
Entropy (20)Defeat Chaos (Thanatos II) on Hard in 1 minute 30 seconds or less.
Trusty Sidearm (30)Clear the entire story using only the Revenant.
Release (20)Defeat Diablosis Soma (Thanatos III) on Hard in 3 minutes 30 seconds or less.
What a Pal (20)Don't let any teammates who were setting charges go down during the final battle in The Womb.
8 Seconds with Style (20)Kill all enemies in Trachea without dying.