Purpose-Built
A turn-based microbial ecology strategy game where diffusion, metabolism, pH, oxygen, waste, mutation, and cooperation shape a living colony with no wait timers.
One-time iPhone and iPad app
Petriarch
Evolve a tiny world
Core Features
- Place strains into nutrient and oxygen gradients.
- Each turn diffuses food, waste, signals, and acidity.
- Mutations trade growth speed against resilience or cooperation.
- Scenarios end when the colony reaches a stable ecological target.
Private by Design
No account, subscription, ads, tracking, third-party analytics, or developer-operated backend. Core features work offline, and your work stays on device unless you deliberately share or export it.
Use It Responsibly
Petriarch is a fictional entertainment game. Its visual systems, scoring, physics, maps, and terminology are designed for play and are not professional guidance.