Stellaris BioGenesis

Stellaris BioGenesis is an expansion about shaping a galactic civilization through genetic engineering. You take the role of a master geneticist, creating living ships, engineered ecosystems and enhanced species. Bioengineering can help your civilization adapt and evolve or be used to dominate the stars, but it can also uncover dangers, including ancient threats in space. The expansion includes a living weapon that can reshape the galaxy or devour it.

Genetic ascension

Choose one of three Ascension paths: Cloning, Purity or Mutation. More than 18 enhanced authorities and traditions from all three paths let you customize a genetic ascension to suit your play style. Sixteen new Species traits expand the options for shaping species.

Living fleets

Command biological ships that evolve alongside your empire. You can customize them for different roles, from battleships built for combat to adaptable support vessels that empower allies and weaken foes. The expansion adds two Biological Ship Sets.

Origins and crisis path

Three new Origins offer different ways to build an empire:

• Evolutionary Predators: Unlock and combine unique phenotype abilities through Species Traits to create an adaptive empire.
• Starlit Citadel: Investigate the biological attackers threatening your empire and use early access to the Deep Space Citadel megastructure to strengthen hyperlane choke-point strategies.
• Wilderness: Begin as a sapient planetary ecosystem, a gestalt of countless lifeforms united in harmony, and seek to spread its consciousness to the stars.

The Behemoth Fury crisis path lets you breed an unstoppable biological monster and unleash it on the galaxy.

New galactic powers

A Hive Fallen Empire appears as a fractured hive mind struggling to awaken across its three splintered personalities. Seven new civics add Genetic Identification, Crowdsourcing, Familiar Face, Aerospace Adaptation, Shared Genetics, Civil Education and Bodysnatcher. The Deep Space Citadel is a versatile defensive megastructure capable of holding off powerful enemy fleets in any system.

Additional content

• Two Biological Ship Sets, City Sets and Diplomatic Rooms
• A Wilderness-themed City Set and Diplomatic Room
• Reactive Species Portraits that show leaders evolving as they gain experience
• New music
• 65 new events