Credit: Edmund McMillen, Tyler Glaiel

Mewgenics, as the title might suggest, revolves almost entirely around breeding your cats to become bigger, better, faster, stronger, and trying to avoid various pitfalls of a somewhat limited gene pool. Thankfully, the breeding mechanics are not chaos incarnate, and you can control the outcomes in many ways. When you understand your cats’ traits, their family trees, and how things are influenced by the room décor, you’ll be ready to take on the game’s biggest challenges.

Let’s help you get ready.

Mewgenics breeding: The bare basics

The conditions the cats need to start breeding are simple:

  • they need to be in the same room
  • they need to be of different sexes (there are three: male, female, fluid)
  • they need to have orientations that do not prevent having offspring

Beyond these basics, there are three stats you should pay attention to in the future:

  • the cat’s libido – it dictates how likely they are to be receptive to mating, but it’s a hidden stat until later in the game
  • the room’s Comfort – it makes the room more conducive to mating and is determined by your furniture choices
  • the room’s Stimulation – high Stimulation increases the chances of kittens inheriting their parent’s highest stats and skills

We’ll discuss Room traits in greater detail further into the guide

Should the cats successfully “get it on” (as the game puts it) at the end of the day, it will result in one or two new kittens taking some traits from the parents.

Inheriting traits

There are a few rules to keep in mind regarding trait inheritance.

  • kittens only inherit the base stats of the parents; modified stats (i.e. including various bonuses and penalties) are not inherited
  • if parent’s have different stats, kittens will inherit the higher one, as long as the room Stimulation is high
    • Example: the father has Speed 5, and the mother has Speed 4. With a high Stimulation, the kitten will have Speed 5.

Non-stat transmission

Kittens might inherit the parent’s Mutations and Disorders. Mutations are typically net-positive or even all-positive, while Disorders tend to be troublesome, but not necessarily exclusively harmful.

Diseases can spread among cats, especially in low Health rooms. If needed, you can move diseased cats outside of the house, or even donate them to a vendor, provided they meet the requirements.

Your cat’s stats & Tink donations

At the beginning, all of your cat’s stats are hidden from you. In order to get access to them, you will need to start donating kittens to a fellow named Tink, who’s a bit of a freak, but he know cats. Eventually, you’ll be able to see all of your cats’ traits, which are:

  • Base and bonus stats
  • Relationships – the cat’s hatreds, loves, and rivalries
  • Orientation – your cats can be heterosexual, gay, or bisexual
  • Libido – how likely and how often the cats are going to “get it on”
  • Aggression – how likely the cat is to have fights with other cats
  • Family tree – your cat’s lineage
  • Inbreeding – how inbred your cat is. The less inbred, the better.

Tink donations

Tink reveals extra bit of info for every 10 kittens you send to him, in a set order. You will need to send to him over 60 kittens to get the full suite (1 starting cat, and 6*10 cats for subsequent upgrades).

If you keep donating kittens to Tink after the final upgrade, he’ll give you 25 coins for each batch of ten.

Mating compatibility

There are several things to consider regarding your cat’s mating:

  • Hetero cats will mate with opposite sex and will produce kittens
  • Gay cats will mate with the same sex, and won’t produce kittens
  • Bisexual cats mate with the opposite and same sex, and will produce kittens accordingly.

However, there are also the gender fluid cats, marked with a question mark.

  • They can fulfill the role of male or female cats as appropriate, and can produce kittens with gay cats.

As a result, if you find desirable traits on your gay cats, try to put a “?” cat in the room with them.

Avoiding inbreeding

If you want to keep you cats healthy and with as few negative traits as possible, you need to keep track of their lineages to prevent inbreeding.

Unlocking the display of a cat’s lineage through Tink is an invaluable tool, as it helps you keep track of which cats are related.

When you identify relatives, keep them separate as much as you can. It will be much easier once you get more rooms, and a good reason to invest resources into expanding your operation.

Two extra tips:

  • Strays are unrelated to any cat you already have, so bring them in often to introduce fresh genes into the pool.
  • When you unlock the ability through Tink, mark cats of the same lineage with the same icon to have an easier time identifying relatives.

Room traits

You start with just one room you’ll have to make do with, but soon enough you’ll be able to get a few extra ones, which is when you should start considering specializing them by focusing on specific traits.

Especially a room designed to improve the chances and results of mating, and a room where your cats can fight are worth considering. We’re discussing the Fight Club further down.

To specialize, visit Baby Jack’s shop to purchase Furniture featuring the modifiers you need and use it to decorate.

Comfort

The higher the comfort, the higher the frequency of cats mating. The lower it is, the more likely they are to get into fights instead. It’s worth considering having a low Comfort room for your Fight Club setup and a high Comfort for the mating room.

It is negatively affected by overcrowding: each cat above 4 reduces it by 1. Lingering poop also reduces it by 1. Move your cats around and do regular cleanup to keep it high.

Stimulation

The higher the Stimulation, the more likely your cats are to inherit the higher of their parents’ base stats.

Keep it high in your mating room.

Health

In a High-Health room diseases don’t spread easily, and older cats are less likely to just die out of the blue. Additionally, there’s a good chance the cats will live longer and disorders will heal faster.

Mutation

Increases the chances of cats developing mutations, which tend towards net-positive stat changes.

Appeal

Appeal is a house trait, which determines how likely it is to attract strays at the start of the day.

The higher the Appeal, the better the stats of the strays.

The Fight Club

Cats might fight. Usually it’s something you should work to avoid, but there are some benefits to a catfight, as long as nobody dies. The winner of such as fierce battle will get a random boost to one of their stats.

You might see this as an opportunity, and you’re not wrong. Setting up a room where cats get upset and aggressive in Mewgenics can sound shady, but you’re already breeding mutant cats, so let’s get to making the FFCC – Feline Fight Club Chamber.

Fight Club room setup

To be a fight-fostering space, the room requires a low Comfort stat

  1. Start by moving some furniture around. Remove items which make the room more comfy, and put in stuff your cats hate to be around.
  2. Put the cats whose stats you want to boost in the room and let them fight.
  3. Just remember that fight might, and probably will result in injuries and death, so keep an eye on the cats instead of leaving them to have a training montage unsupervised.
  4. High Aggression stats can help, but not all cats will need it. As long as fights are initiated, it’s going to be alright.

Before long, even your mid cats will have the stats they could be proud to give their offspring.

tl;dr of breeding high-quality cats in Mewgenics

  • Increase a room’s Stimulation to have Kittens inherit the higher of their parents’ stats
  • Increase a room Comfort to make adult cats mate more often
  • Keep cats from the same bloodline apart to avoid inbreeding
  • Mutations are good, Disorders are troublesome, Diseases are bad
  • A dedicated fight room (low Comfort) can boost mediocre cats’ stats, but is an obvious health risk
  • Baby Jacvk’s furniture lets you manipulate room traits, donations to Tink reveal cat traits
  • Attract stray Cats with the house’s Appeal to introduce fresh genes into the pool