The dev here hasn't been particularly helpful when it comes to describing the effects of traits openly, in belief that it's better to be left in the dark about their effects, but many have been asking. To keep in line with the wishes of the dev, I'm going to be placing the traits here as a spoiler, so those who do not wish to know can simply not read them and move on. However, for those who are interested and curious, the effects are actually pretty interesting.. in those who actually do have effects.

There also appears to be numerous 'to do' traits in the files that aren't yet in the game, so do take that with a grain of salt.

+Wasted Potential: "You could have been so much more..." - On level up, random chance to lose a skill

+Untapped Potential: "Your abilities and talents are far greater than you've ever realized..." - On level up, random chance to gain a skill/XP

Unstable Genetics: "Your genes were spliced incorrectly, and are prone to change. Change results in mutation sickness" - Random chance to add or remove traits, will result in mutation sickness (pain, nausea, muscle stiffness?)

Forgetful: "May forget recipes at random" - Random chance to forget learned recipes

Undeveloped: "Not given enough time in tube, your body and mind is a bit undeveloped" - ???

immunocompromised: - EXTREME chance of infection and sickness, do not get hurt, do not get bloody

+Necrotic: "Your body is in a constant state of self destruction" - randomly recieve small injuries and pain

Amnesiac: "Who am I?" - Hide name, all starting traits and skills start empty. Slowly regain them as you play.

Anhidrosis: "You can't sweat. Cooling is hard." - No sweating, easier overheating, and lower exertion?

Frog-Skin/Amphibious: "" - can't sweat, needs to be wet. Water level increases abilities?

+High-Strung: "You're naturally very anxious." - Being near zombies makes you extremely anxious, gain anxiety slowly.

Hematophage: "Blood empowers you." - Damage bonus for every body part bleeding. Blood covered levels increases damage. ~ Cancels hemophiliac

+Night Terror: "The darkness turns you into a monster." - Extremely powerful when in the dark, weak in the light?

+(Buggy)Split-Personalities: "There are two different people in your head." - Store a set of two different personalities, every X hours, change. Change is sped up by high stress or head injuries. Second personality has same number of traits as the original (excluding stat traits). Will switch to the opposite of any and all that have it. Otherwise, will randomly select another trait. Antidepressants delay the switch.

Emotionless: "Your limbic cortex has been artificially modified. You experience almost no emotion." - Emotions max out at 0.15 (15%). Anything greater than that causes a headache and resets to 0.1. ~ Cancels Cowardly/Brave/

Broken Mind: "You've already snapped." - Extremely desensitized/crazy? Constant mood swings, panic attacks, stress.

Beserker: "Killing is your calling" - Get stronger and stronger while killing enemies. Increased
exersion? Character will say phrase if on a killing streak.

+Blood Frenzy: "The adrenaline of combat makes you stronger." - Attacking consecutively makes you deal more damage.

Disheartened Killer: "You kill with a heavy heart." - become sad when you kill zombies/players.

Sleeper Agent: "" - ???

???: "" - Can only drink. Can't eat solid foods.

+Running N' Gunning: "Trained for quick combat, movement has no penalty on aiming." - Aiming firearms is not/barely effected by movement.

Catatonic: "May go into shock under high stress." - Becomes immobile/slow when super panicked/stressed.

Relentless: "You know how to push your physical limits." - Slow loss of exersion/fatigue when in dangerous situations; Low HP, lots of spotted enemies

Commander: "Others can push themselves much further with your aid." - When in danger, slow loss of exersion/fatigue for players around you. Slow other's bleeding when near you. Does not effect other commanders.

Telekinetic: "Can interact with distant objects." - Allows for opening of doors, picking up/placing objects, interacting with objects, from further away. Is very mentally taxing, limited "Mana", adds fatigue. Mana drains quickly when hurt/tired. If out of mana then you have to wait for it to recharge. Using mana while reserves are low/tired causes head damage and pain.

+Impregnable Veins Mutation: "You do not bleed." - Can not bleed, what-so-ever. Increased pain, slower healing?

Doomed: After anywhere between 1-6 months, your character will spontaneously die.

Late Bloomer: "One of your best attributes has yet to be shown." - After X time, your character will gain a random but strong trait you do not currently have. Costs 3. Removes this trait.

+Bulwark: - Running into zombies knocks them back/over

+Doomed: "You were never meant for this world; your clock is ticking." Having the trait "Lucky" will increase your guaranteed months by one, while "Unlucky" will subtract them by one month

+Undying/Ironclad/Dauntless: "When on the brink of death, you find the strength to carry on." - On deaths brink, heal up, must fully recover+cooldown before it works again. Activate on dragdown too?

Asymptomatic: "You're already infected but immune to it's killing properties, however, you put others at risk around you." - Will always turn into a zombie at death, can randomly infect others not wearing a mask around you.

Achilles' Heel: "Your body is resitant to damage everwhere but your weakpoints." - Slow loss of health everywhere but your "heel", a randomly chosen body part, which is extremely vulnerable.

CYBORG:

Achilles-Clad: - Invincible everywhere but 3 distinct locations, locations start in pain to show you where.

INSURGENT:
Spawns with 9mm pistol, 2 magazines, if not loadout selected

Loadout: Rifleman - Spawn with M16, 7 magazines, 210 rounds

Loadout: Marksman - Spawn with m14? rifle, 7 magazines

Loadout: Breacher - Spawn with JS shotgun, 210 rounds

Loadout: Gunslinger - Spawn with .45 pistol, 7 mags

Loadout: Extra Ammo - Double ammo count on spawn (ammo boxes, not magazines)

Loadout: Commando - Hunting knife, extra pistol ammo, red headband, walkie talkie