
PE Trailer

A hidden, alien world
Welcome to the vibrant, microscopic world of Primordial Empire – a 2D side-scrolling Colony Builder where you master the art of symbiosis and adaptability.
Manage a colony of unique microbial organisms, explore diverse biomes, and navigate complex ecosystems to ensure the survival and growth of your tiny inhabitants.
Symbiotic Relationships
Innovative Colony Management
Cultivate a thriving colony by growing diverse plants and organisms on any solid surface.
Start with basic stem cells that eat, grow, divide, or wither based on the food available. Differentiate them into new organisms and meet their needs to expand your colony.
Gather and manage essential resources, like protein, mineral, or DNA, or trade them if not locally available. Balance resource management and strategic growth.

Strategic Gameplay
Explore Unique Biomes
Navigate a world map filled with distinct biomes like the Lush Biome, the Salt Barrens, the Fungal Biome, and the Mineralized Biome, each presenting unique challenges and strategic resources.
Adapt to the specific conditions of each biome, from the chill experience of the Lush Biome to the toxic threats in the Fungal Biome.
Interact with foreign organisms through appeasing or antagonizing approaches, affecting their stance and your colony's strategy. Are they a threat to eliminate, or an ally to trade with?




Chill Vibes and Colorful Visuals with Progression and Replayability
Immersive Experience
Enter a beautifully hand-crafted world with relaxing atmospheres and vibrant, biology-inspired visuals.
Complete goals in each colony to unlock new organisms and game mechanics, allowing for better colonies and more complex strategies.
Revisit previous colonies with upgraded biota to tackle new, more challenging goals.
Enjoy multiple paths to success, whether through peaceful symbiosis or aggression.

Latest Updates

Meet the "team"


About me
Hi, I’m Marc Züst, the solo developer behind Primordial Empire, working under the alias Feisty Cyst.
By day, I’m a cognitive neuroscientist; by night, I dive into game development, blending my love for gaming with my scientific curiosity. Primordial Empire is my creative outlet - a place where biology meets strategy, where players can explore evolution, adaptation, symbiosis, and the microscopic battles of survival.
Inspired by my background in neuroscience and biology, I strive to bring scientific depth and wonder into the game while keeping it fun and engaging. I hope you catch the spark too!
See you in the primordial soup!