Home / Games / Primordialis
Primordialis
Primordialis is a physics-based roguelike fish builder. Unleash your creativity to defeat creatures using venomous tentacles, electrical shocks, or exploding children. The possibilities are endless. Explore the primordial depths to reveal its secrets and discover what lies beyond.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-25.
“it took me 39 hours to finally beat the game. there's no permanant upgrades. i just got more familiar with the game and used what the game gave me to it's highest potential. it was beautiful. in no other rougelike have i been able to come up with so many different janky builds…”
— a player, Steam review · 39 hrs played“Imagine someone took Spore's cell stage and went "I can make a good, full game out of this" and you've got Primordialis. There's a lot of interesting things you can create, plenty of sometimes bizarre interactions between cells that allow you to pull off fun things, especially…”
— a player, Steam review · 42 hrs played“This ♥♥♥♥ is ♥♥♥♥♥♥♥ rad. Spore Cell Stage + Noita is something you'll hear a lot, and for good reason.”
— a player, Steam review · 94 hrs playedPlayer activity
Monthly average concurrent players. Live data self-collected from the Steam API · history through 2026-08 via SteamCharts.
Achievement stats
Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-26.
Price tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-09-26. Steam prices vary by region — always confirm your local price on Steam.
Regional prices at last sample, in local currency — Steam sets each region's price independently.
Cheapest → most expensive, converted to USD at ECB reference rates (2026-09-25). Relative comparison only.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Primordialis Early Access Roadmap
Here's a general overview of my current plans for early access development. This list is not in chronological order aside from the dividing lines, and plans may change slightly [img src="
Primordialis v0.2 beta update
Hello everyone! It's been a while so I should probably explain why this has taken so long, which is mostly me getting caught in a loop of some things taking longer than expected and feeling like I nee
Primordialis Soundtrack now available!
The Primordialis original soundtrack is now available on Steam and other platforms! To celebrate the game is on sale for 35% off, and if you buy the game and soundtrack together you can get another 25
Primordialis v0.1
Happy Holidays! Primordialis v0.1 gameplay changes & features: - Final music polish from Phrakture - A couple new creatures from Keith - Shrunk 4th and 5th biomes - Reduced number of entrances from fi
CleanFall+Primordialis bundle
I'm happy to announce that CleanFall and Primordialis can now be purchased together for an extra 10% discount! CleanFall is an awesome new rogue-lite that just released today in early access! If desce
Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-09-25.
| Genres | Action, Indie, Simulation, Early Access |
| Player tags | Early Access · Simulation · Physics · Action Roguelike · Nature · Exploration · Roguelike · Sandbox · Roguelite · Sci-fi · Difficult · Underwater (Steam store community voting) |
| Features | Single-player · Steam Achievements · Steam Workshop · Steam Cloud · Family Sharing |
| Languages | English |
| Achievements | 5 |
Minimum system requirements (PC)
Minimum: Requires a 64-bit processor and operating system OS *: 64 bit Windows 7, 8/8.1, 10, 11 Processor: Quad Core CPU Memory: 2 GB RAM Graphics: 512 MB VRAM, OpenGL 4.0 support Storage: 100 MB available space