Passive modules are active all the time and do not drain AUX power.
Toggled modules are manually activated and drain AUX power while active.
Instant modules immediately use a portion of your AUX power.
Recharge (Passive): Increases recharge rate per level.
Vitality (Passive): Increases your maximum health.
AUX Power Tank (Passive): Increases your AUX power capacity.
Armor Capacity (Passive): Increases your maximum armor.
Armor Regen (Passive): Adds and increases armor regeneration.
Impact (Passive): Increases your ranged weapon damage.
Brute Force (Passive): Increases melee damage.
Critical Hits (Passive): Gives a chance of increasing all bullet and melee weapon damage by 4 times.
Clip Size (Passive): Increases ammo clip size on all weapons that use clips.
Ammo Regen (Passive): Regenerate bullets and buckshot every few seconds.
Cloak (Toggled): Makes you invisible, draining 5 aux per second while immobile and more when moving, depending on your speed.
Jetpack (Toggled): While key is held, jetpack allows you to fly through the air. Drains 20 AUX per second.
Teleport (Instant): Teleports you a moderate distance straight ahead allowing you to pass through walls.
Long Jump (Passive): Duck just before jumping to launch yourself forward.
Adrenaline (Passive): Making kills increases your walking and sprint speed.
Energy Ball (Instant): Fires an energy ball that deals damage and will not bounce.
Flechette (Instant): Hold to fire a burst of up to 7 hunter flechettes that deal damage on impact and explode for more damage.
Poison Spit (Instant): Spits poisonous acid in front of you, damaging whatever it hits.
Freeze Bomb (Instant): Damages and freezes enemies so they can't move.
Incendiary Grenade (Instant): Launches a grenade which explodes, igniting all nearby opponents.
MIRV (Instant): Launches a grenade that explodes into 4 explosive bomblets with both the main and bomblets doing damage.
Target Effect Modules
HEALD (Instant): Heals yourself or a friendly target.
Damage Amp (Instant): Increases all damage taken by target.
Weaken (Instant): Reduces target's damage dealt by a percentage and decreases their sprint speed by another percentage.
Plague (Toggled): Infects nearby enemies with plague which drains health each second and spreads to other players and monsters. Also drains AUX power for each victim carrying your plague in addition to the drain of having plague toggled. If you are killed, deactivate plague, or run out of AUX power, all victims of your plague are immediately cured.
Shockwave (Instant): Steal a percentage of AUX power from nearby enemies while dealing damage equivalent to 100% of the AUX power drained. 100% of stolen AUX power is added to your own AUX supply.
Lasers (Instant): Creates a laser mine that burns enemies each second but ignores allies. Up to 6 lasers can be deployed at the same time and they can last until 1 minute before vanishing.
Turrets (Instant): Creates a turret to fight for you, which regenerates its ammo. Only movable by its owner. You can have up to 2 turrets deployed simultaneously.
Mag Mine (Instant): Creates a gravity well on the floor which sucks in opponents.
Crow Launcher (Instant): Releases a kamikaze crow which flies at enemies while carrying a small explosive. You can have up to 4 crows deployed simultaneously.
Zombie (Instant): Spawns zombies who fight for you.
Fast Zombie (Instant): Spawns fast zombies who fight for you.
Antlion (Instant): Spawns antlions who fight for you.
Antlion Worker (Instant): Spawns antlion workers who fight for you.
Vortigaunt (Instant): Spawns vortigaunts who fight for you. It can also recharge your armor.
Manhack (Instant): Spawns manhacks who fight for you. You can have up to 6 deployed simultaneously.