Open now · By request
Bioneers playtest
by Azza Apps
A strategy and simulation game set in a microworld. Build an organism from cells, automate biological processes, and fend off viral attacks. Explore the world, unlock mutations, and evolve into a predator, parasite, or herbivore. Survive, adapt, and grow
It's free to ask. The developer chooses who gets in.
- Access
- By request
- On playtest since
- Aug 20, 2026
- Planned release
- Coming soon
- Developer
- Azza Apps
- Platforms
- Windows, macOS
- Players
- Single-player
- Languages
- English, French, German, Italian and 6 more
How to join the Bioneers playtest
- Open the game's Steam page with the Request access button. Sign in to Steam if it asks.
- Request access to the Bioneers playtest there. It's free and doesn't commit you to anything.
- The developer lets players in, often in batches, so it can take a while. Steam emails you when you're in, and the playtest appears in your library.
New to playtests? How Steam playtests work
About Bioneers
Bioneers – Game Features
- Unique gameplay that combines factory-building with organism simulation. Instead of buildings — cells, instead of conveyor belts — vessels, instead of enemies — viruses. The bigger your organism, the more powerful it becomes — but it also needs more resources to sustain itself.
- Animations inspired by real biology. All cell and system movements are based on behavioral models from living organisms, creating a vibrant and believable microworld.
- A sandbox without limits. Evolve as you wish: become an aggressive predator, a resilient symbiont, or a peaceful herbivore. Every choice affects your organism's evolutionary path.
- Detailed customization. Design your organism cell by cell, optimize systems, balance energy and resource consumption — you are the true creator of life.
Build an Organism from Cells
Create and combine different types of cells: muscle, skin, fat, bone, nerve, and more. Connect them into functional systems — respiratory, digestive, excretory, and so on. Your goal is to build a perfectly balanced organism capable of survival and development.
Defend Against Viral Attacks
Viruses are dangerous enemies of your organism. Monitor threats, react in time, and produce leukocytes — your immune defenders. If tissues get infected, the organism could die!
Build a Nervous System
To ensure all organs work in sync, connect them into a unified nervous network. From basic sensors to complex neuron clusters — every cell plays its part. Become the architect of your organism’s instincts and intelligence.
From the game's Steam page.
