Mewgenics Mutations & Traits Encyclopedia

Browse verified genetic anomalies, beneficial mutations, and inbreeding defect risks.

Polydactyly (Extra Toes)

Beneficial

Cat possesses 6 or 7 digits per paw, drastically improving claw grip and weapon handling.

+15% Weapon Accuracy & +10% Climb Speed
DEX +3SPD +1
Rarity Weight: 28

Gigantism (Colossal Frame)

Beneficial

Massive overall size doubling base physical weight, hitpoints, and melee knockback.

+35% Max HP & Melee Knockback +2 Hexes
STR +5CON +4SPD -2
Rarity Weight: 12

Membranous Bat Wings

Beneficial

Functional leather wings enabling terrain elevation jumps and flight over poison pools.

Immune to Ground Hazards (Acid, Fire, Spikes)
SPD +4DEX +2CON -1
Rarity Weight: 8

Bio-Electric Generator

Beneficial

Internal capacitor organ that charges melee attacks with chain lightning.

25% Chance to Shock & Stun attackers for 1 turn
INT +3STR +1
Rarity Weight: 6

Polycephaly (Two Heads)

Beneficial

Two fully autonomous heads allowing dual spellcasting and preventing surprise flanks.

Can cast 2 spells per turn with separate cooldowns
INT +4CHA -2
Rarity Weight: 5 Inbreeding Exacerbated

Achondroplasia (Dwarfism)

Neutral

Diminutive stature providing smaller hitbox and higher evasion, but reduced carry capacity.

+20% Dodge Rate, -30% Weapon Damage with heavy items
DEX +3LCK +2SPD -1STR -3
Rarity Weight: 22 Inbreeding Exacerbated

Full-Body Phosphorescence

Neutral

Skin and fur glow neon in low light, blinding enemies but preventing stealth hiding.

Illuminates hidden fog of war, but stealth bonuses disabled
CHA +3INT +1
Rarity Weight: 16

Chameleon Chromatophores

Neutral

Fur shifts color to match the terrain hex, improving ambient camouflage.

+30% Stealth when standing stationary
DEX +2CHA -1
Rarity Weight: 14

Osteogenesis Imperfecta (Brittle Bones)

Harmful / Defect

Weakened skeletal density causing increased physical trauma taken from falls and crits.

Takes +35% direct physical damage from heavy blows
CON -4STR -2
Rarity Weight: 18 Inbreeding Exacerbated

Stubborn Cognitive Lock

Harmful / Defect

Difficulty following squad commands, sometimes skipping turn or attacking wrong target.

15% Chance per turn to ignore player orders and act randomly
INT -3CHA -2
Rarity Weight: 20 Inbreeding Exacerbated

Hyper-Metabolic Hunger

Harmful / Defect

Burns through food and stamina twice as fast in adventure dungeons.

Consumes double rations per room transition
SPD +2CON -2
Rarity Weight: 15

Hemophilia Factor IX Defect

Lethal / Disorder

Failure of blood coagulation; bleed status effects are permanent until treated at hospital.

Bleed ticks deal double damage and never expire naturally
CON -5
Rarity Weight: 10 Inbreeding Exacerbated

Congenital Cardiac Anomaly

Lethal / Disorder

Severely diminished cardiovascular endurance; high fatigue during extended boss encounters.

Max AP reduced by 1 in combat; -50% Stamina recovery
CON -4SPD -3
Rarity Weight: 8 Inbreeding Exacerbated

Sterile Chromosomal Lock

Lethal / Disorder

Complete reproductive infertility. Cat cannot produce offspring in the breeding lab.

Cannot be paired for breeding (Infertility 100%)
CHA -3
Rarity Weight: 12 Inbreeding Exacerbated