Absolute Threshold
Achieve the Gold weapon upgrade rank on the Insanity difficulty.
Astraphobia
Complete one level in Story mode while only using Shock Therapy.
Aversion Therapy
Complete a level on any difficulty without dying.
Bomber
Kill 100 Enemies while using the Dream Cleaner.
Breaker
Kill 100 Enemies while using the Hailstorm.
Conjurer
Kill 100 Enemies while using the Dragon's Grasp.
Delusions of Grandeur
Finish a Deathmatch game with the highest score (with at least 3 other players involved).
Dissociative Disorder
Draconist
Kill 400 Enemies while using the Dragon's Grasp.
Dreamkiller
Defeat a Dreamkiller without taking any damage.
Focused Mind
Defeat a Doorkeeper without taking any damage.
Free Association
Kill 3 or more opponents at the same time in a Multiplayer game.
Freezer
Kill 400 Enemies while using the Hailstorm.
Gunner
Kill 100 Enemies while using the Minigun.
Hallucinations
Heavy Operator
Kill 400 Enemies while using the Minigun.
Heliophobia
Complete one level in Story mode while only using the Sunbeam.
Hoplophobia
Complete one level in Story mode while only using the Minigun.
Immortal
Complete every level on any difficulty without dying.
Instinctual Action
Enter Berserker Rage during a Multiplayer game.
Latent Abilities
Complete every level on any difficulty without dying in the Subconscious.
Lighter
Kill 100 Enemies while using the Sunbeam.
Ligyrophobia
Complete one level in Story mode while only using the Dream Cleaner.
Lucid Guardian
Complete Story mode on the Insanity difficulty.
Manic Episode
Enter Berserker Rage at least once in each level of the game in Story mode.
Master
Complete Chapter 4 on any difficulty.
Mastermind
Conquer 50 brains in Conquest mode.
Mind Guard
Return your team's flag at least 5 times in one CTF match.
OCD
Use every weapon at least once in any level of the game in Story mode.
Operative
Complete Chapter 2 on any difficulty.
Opiophobia
Complete one level without receiving any Health pickups.
Pagophobia
Complete one level in Story mode while only using the Hailstorm.
Paladin
Kill 400 Enemies while using the Sunbeam.
Poor Sleeper
Complete Story mode on the Bad Dream difficulty.
Practitioner
Complete Chapter 1 on any difficulty.
Prescription
Kill 100 opponents in any Multiplayer game mode.
Psycho Logical
Complete a Single Player game in Time Trial mode.
Psychoanalysis
Kill 25 opponents in any Multiplayer game mode.
Rhabdophobia
Complete one level in Story mode while only using the Dragon's Grasp.
Shocker
Kill 100 Enemies while using Shock Therapy.
Simple Jack
Complete a Single Player game in Single Weapon mode.
Somnambulist
Complete Story mode on the Nightmare difficulty.
Specialist
Complete Chapter 3 on any difficulty.
Stormer
Kill 400 Enemies while using Shock Therapy.
Suicidal Tendencies
Technician
Kill 400 Enemies while using the Dream Cleaner.
Treatment
Kill 300 opponents in any Multiplayer game mode.
Untouchable
Kill 10 opponents in a row without dying in a Multiplayer game.
Wisdom
Find and enter in all of the Secret areas in any one level of the game.
Xenophobia
Kill 10 or more enemies at the same time with any weapon.