Quantum Theory Achievements

Full list of all 50 Quantum Theory achievements worth 1,000 gamerscore.

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  • Subdural Hematoma

    Clear Cavitas Cranii on Hard.

    1 guide
  • Death & Rebirth

    Clear the entire game on Hard.

    1 guide
  • Hunter

    Kill 500 enemies.

    1 guide
  • Predator

    Kill 1000 enemies.

    1 guide
  • Headache

    Kill 200 enemies with headshots.

    1 guide
  • Major League

    Land 200 combo throws.

    1 guide
  • Cut a Rug

    Land 100 full combo attacks. (3 consecutive hits)

    1 guide
  • Ninja Style

    Filena killed 50 enemies.

    1 guide
  • Steady, Steady...

    Shoot an enemy with a Plasma Lancer from 50m.

    1 guide
  • Getting Intimate

    Kill 100 enemies with melee attacks using the Bloodcleaver.

    1 guide
  • Five Birds, One Stone

    Hit 5 enemies with one shot from the Ifrit.

    1 guide
  • Killing Connoisseur

    Kill 10 enemies with every firearm Syd can equip. (Melee kills don't count.)

    1 guide
  • Privacy Issues

    Destroy 1 Watcher. (1/50)

    1 guide
  • Stop Looking At Me!

    Destroy 20 Watchers. (20/50)

  • Leave Me Alone!

    Destroy 50 Watchers. (50/50)

    2 guides
  • Professional Exterminator

    Kill the Gargantua on Hard in 2 minutes 30 seconds or less.

    1 guide
  • Gladiator

    Kill the Chariot during Thorax on Hard in 1 minute 30 seconds or less.

    2 guides
  • Warrior

    Defeat Thanatos on Hard in 1 minute 30 seconds or less.

    2 guides
  • Matador

    Kill the Dreadnought on Hard in 2 minutes or less.

    2 guides
  • Nevermore

    Kill the Raven on Hard in 2 minutes or less.

    2 guides
  • Entropy

    Defeat Chaos (Thanatos II) on Hard in 1 minute 30 seconds or less.

    2 guides
  • Release

    Defeat Diablosis Soma (Thanatos III) on Hard in 3 minutes 30 seconds or less.

    1 guide
  • Trusty Sidearm

    Clear the entire story using only the Revenant.

    1 guide
  • What a Pal

    Don't let any teammates who were setting charges go down during the final battle in The Womb.

    1 guide
  • 8 Seconds with Style

    Kill all enemies in Trachea without dying.

    3 guides
  • Fight Fire with Fire

    Shoot down 10 projectiles from the Raven.

    2 guides
  • Novice

    Obtain the rank of Novice.

    1 guide
  • Soldier

    Obtain the rank of Soldier.

    1 guide
  • Mercenary

    Obtain the rank of Mercenary.

    1 guide
  • Commando

    Obtain the rank of Commando.

    1 guide
  • Elite

    Obtain the rank of Elite.

    1 guide
  • Slayer

    Obtain the rank of Slayer.

    1 guide
  • Berserker

    Obtain the rank of Berserker.

    1 guide
  • Storm

    Obtain the rank of Storm.

    1 guide
  • Immortal

    Obtain the rank of Immortal.

    3 guides
  • Lone Gunman

    Kill all members of the opposing team alone. (8-player Team Battle)

  • All Mine

    Kill all other players in an 8-player Deathmatch.

    1 guide
  • On a Roll

    Kill 10 opponents in a row during one match.

  • Killing Spree

    Kill 20 opponents in one match.

    1 guide
  • Triage

    Revive 10 teammates in one match.