SIMIRIALS — independent game studio

Mycelium Protocol: Prologue
Mycelium Protocol: Prologue
OUT NOWVISUAL NOVELWINDOWS

Mycelium Protocol: Prologue

Grigore believed in Kudesh’s order. Then he became a Rejected.

01 / 02 · SWIPE
Studio

An independent game studio from Tallinn, Estonia.

The S in our logo is two hands framing a shot — the way a director looks for the right picture. That’s how we make games: find something worth looking at, then build a world around it.

FOUNDED2025
BASED INTallinn, Estonia
Meet the team ↓
UNANNOUNCED
UNANNOUNCED

Something else is growing. Not ready to show it yet.

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Grigore believed in Kudesh’s order and the will of the Great Mycelium, and faithfully served as Mortimarch Sorge’s personal assistant. Then he became a Rejected.

A standalone, completely free story. It leads to a single ending, but your decisions carry over into the main story of Mycelium Protocol.

Released
[DATE]
Genre
Linear visual novel
Platform
Windows
Languages
EN · RU · FR · DE · ZH
Steam rating
[RATING] · [N] reviews
AVAILABLE ON
Play for free[Other stores]

News

Updates from the studio and our games.

Mycelium Protocol: Prologue is out on Steam. It’s free — and the choices you make carry over into the main game.

Play for free ↗

Mycelium Protocol is getting a free prologue, set a few years before the main story. It follows Grigore — now a Rejected, once a dreamer and a promising scientist.

Read on Steam ↗

The first teaser for Mycelium Protocol.

Watch on Steam ↗
Oleh DosuzhiiCEO, Creative Director
Mikhail ZhushmanCOO, Financial Director
Oksana VlasovaVisual Developer, Lead Artist
Veka KobayashiLead Narrative Editor
Danya UstalostWriter, Lore Designer
Margarita KurbatovichNarrative Designer, Marketing Manager
Nisa AfanasievaNarrative & Dialogue Designer
Ilya ChechurEnvironment Artist
Sonya SchekaCharacter Artist
Victoria SidorovaCharacter & Creature Artist
Nikita KorenivskiiProject Manager

Contact

GENERAL & BUSINESScontact@simirials.com
PRESScontact@simirials.comPress kit — [LINK]