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About Primordialis
Primordialis is a physics‑based roguelike where you construct fish from a library of cells, each with distinct properties. The creation system lets you blend biology and mechanics to craft creatures that can bite, shock, or explode.
The game offers five distinct biomes to explore, a sandbox mode for unrestricted design, and full Steam integration such as Achievements, Workshop, Cloud saves and Family Sharing, all within a single‑player experience.
01 / THE GUIDE
Creature Creation System
Your fish is built from individual cells; each cell type contributes a unique function, from movement to weaponry. Over 60 cell types are available, allowing countless structural and functional combinations.
The system is described as simple yet deep, giving you the freedom to prioritize size, offensive mechanisms, or intricate circuitry without prescribed limits.
- Mix cells with complementary functions to discover unexpected synergies.
- Consider the biome you plan to enter first when selecting core cell types.
02 / THE GUIDE
Rogue‑Like Survival Mode
In the main rogue‑like mode you embark on a difficult journey of growth and evolution, exploring a world populated by hand‑crafted enemies built with the same cell system.
Progress depends on discovering new cell types, mutations and other upgrades while traversing five main biomes toward an end point.
- Gather versatile cells early to handle a range of enemy designs.
- Observe enemy constructions to inform which cells may give you an edge.
03 / THE GUIDE
Biomes and Exploration
Primordialis features five main biomes, each presenting its own environmental hazards and enemy designs. Moving through them reveals secrets and tests your creature’s capabilities.
Biomes act as natural checkpoints; deeper areas demand adaptations of your design to survive the increasing difficulty.
- Tailor your creature’s abilities to the dominant threats of each biome.
- Use biome transitions as opportunities to trial new cell combinations.
04 / THE GUIDE
Sandbox Mode
Sandbox mode lets you build and test creatures without the pressure of a rogue‑like run, ideal for perfecting designs before a serious attempt.
The mode also supports studying enemy biology and simply enjoying creative building in a relaxed environment.
- Prototype complex circuitry in sandbox before committing to a run.
- Study enemy cell layouts in sandbox to inspire counter‑designs.
05 / THE GUIDE
Steam Integration
Primordialis includes several Steam features: Achievements, Workshop, Cloud saves and Family Sharing, all operating within its single‑player framework.
The game lists Steam Cloud and Steam Workshop support; Workshop content from the community can be browsed for inspiration.
- Steam Cloud is among the game's listed Steam features if you want cloud support enabled.
- Browse Workshop content for inspiration or to adopt community‑made layouts.
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