| Base Perk | Variant Mutation (Description) | Build Points |
|---|---|---|
| Advanced Tail | Tail does 1d4 bludgeoning, slashing, or piercing damage. (Pick one type; increased price.) | Costs 3 BPs |
| Claws | Single Limb Only. (Reduced price.) | Costs 2 BPs |
| Gills | Water-Breather. (Character cannot breathe air, treat as major flaw.) | Grants 6 BPs |
| Gliding Membrane | Limb Interference. (Character cannot use limbs while gliding, reduced price.) | Costs 3 BPs |
| Overpowering Stench | Affects Self. (Penalties affect character too, reduced price.) | Costs 3 BPs |
| Pheremone Attraction | Sex Appeal. (Pheremones only apply to one sex, reduced price.) | Costs 2 BPs |
| Pincers | Single Limb Only. (Reduced price.) | Costs 2 BPs |
| Shriek | Self-Injury. (Penalties affect character too, reduced price.) | Costs 4 BPs |
| Sonic Blast | Self-Injury. (Use of power inflicts 2d6 damage, reduced price.) | Costs 4 BPs |
| Spike Growth | Removable Spines. (Can use spines as daggers.) | Costs 5 BPs |
| Swimmer | Water-Dweller. (Character has no land movement, treat as major flaw.) | Grants 6 BPs |
| Tentacle | Tendril. (Acts as crude hand, no improved grab or reach; decreased cost.) | Costs 3 BPs |
| Wings | Limb Interference. (Character cannot use limbs while flying.) | Costs 5 BPs |
| Base Flaw | Variant Mutation (Description) | Build Points |
|---|---|---|
| Atrophied Cerebellum | Atrophied Body. (Penalties apply to Str, Con, and Dex instead; increased BPs.) | Grants 6 BPs |
| Brachydactly | Single Limb Only. (No melee penalty unless using gimp hand, reduce skill penalties by 1; reduced BPs.) | Grants 2 BPs |
| Crude Hands | Single Limb Only. (No melee penalty unless using gimp hand, reduce skill penalties by 2; reduced BPs.) | Grants 2 BPs |
| Hermav | Asexual. (Same game effects.) | Grants 2 BPs |
| Heightened Metabolism | Deviant Metabolism. (Standard food and water needs, but requires unusual 'supplements'; human brains or depleted uranium, for example.) | Grants 2 BPs |