
The Protostar Mysteries
Game
PDF
Published 8 October 2026 · On Quisicosas since 8 October 2026
Featured in the newsletter of
8 October 2026 (on Substack)
What it is about
Welcome Aboard The Protostar! Protostar Mysteries is a cozy, science fiction mystery RPG about a diverse community aboard a traveling spaceship habitat. The Protostar is on a journey to Archway-1, a peaceful exoplanet located in a habitable zone. However, the spaceship is suddenly thrown off course by three mysterious occurrences: • Mystery One: Uncommon Robotics (Sabotage): The robots in the common area are malfunctioning, and the glitch is starting to spread to other parts of the ship. • Mystery Two: Data Mech Gone (Data & Supply Theft): Critical data and supplies from the ship's maintenance mech have completely disappeared. • Mystery Three: This Way to Archway-1 (Navigational Error): An unexpected navigational error has caused the ship to completely reverse course away from Archway-1. Play as a pre-generated character or use the included character sheet to create your own! Help your fellow passengers solve these mysteries, soothe tensions, and get The Protostar back on route. Features: • 1–4 players + 1 Guide • Rules-light, beginner-friendly, and mystery-focused • 4 ready-to-play pre-generated characters • Built-in Item Glossary & Tool Index