Rimworld Create Xenotype ((link)) Jun 2026

When building your xenotype, categorize your choices into combat, utility, and balancing "flaws." Top-Tier Positive Genes

Beyond the mechanical considerations, creating a xenotype is an opportunity for storytelling. Every xenotype in RimWorld has lore that explains its origins and purpose, and your custom creations deserve the same depth of thought.

These affect hunger and allowed food sources.

Every gene has a value (cost). Positive genes (beneficial) have a positive cost, requiring metabolic fuel. Negative genes (harmful) have a negative cost, providing fuel. The total sum determines a pawn’s Metabolic Efficiency Level : rimworld create xenotype

By mastering the art of creating custom xenotypes, you can tailor your RimWorld experience to suit any playstyle, from an army of invincible super-soldiers to a peaceful, efficient community of farmers.

Biotech DLC , creating a custom xenotype allows you to engineer a unique subspecies of humans by splicing together specific How to Create a Xenotype You can create a custom xenotype during the scenario setup or mid-game using a gene assembler Scenario Setup

Your pawns consume 225% of normal food requirements, meaning they will spend a massive portion of their day eating. When building your xenotype, categorize your choices into

To balance high-tier abilities, you must pick "weakness" genes. Taking Slow Runner Extra Pain

Automatically boosts specific skills by +8 and stops them from passion-degrading.

Are they for combat (Hussar-like), farming (Dirtmole-like), or generalists? Every gene has a value (cost)

Give your new species a unique and a Plural Name (e.g., Name: Gorgon , Plural: Gorgons ). You can also choose a unique icon to represent your faction on the UI and world map. Step 3: Select Your Core Genes

To see the visual interface and gene list in action, you can check the Official RimWorld Wiki Biotech Page.

: Give your new race a name and an icon. A crucial step is to check the " Genes are heritable " box at the bottom if you want this species to be a true, breeding race (more on this later). Then, save your xenotype.

To access powerful positive genes (like super-healing or combat bonuses), you must take negative balance genes (like nearsightedness, extra sleep requirements, or weaknesses to certain temperatures) to keep the metabolic rate manageable. Step-by-Step: Creating a Custom Xenotype

Once saved, your custom xenotype will be available in the "Xenotype" selection menu for your starting colonists and has a chance to appear on other pawns generated in the world.