Game Development · October 20, 2026

Grimmstone Enters Playtesting

Filed under: The Laboratory Journal

From World to Game

Grimmstone began as a place for stories. Over time, its rain-soaked streets, strange residents, and unresolved mysteries became the foundation of an original tabletop roleplaying game.

The Milestone

The tabletop project has reached its playtesting stage. The Player's Handbook and Bestiary have been prepared for testing, while the Game Master's Guide has been organized into a playtest edition. This is a major step—but not the same as a finished commercial release.

What We're Testing

Can new players make characters without a lengthy explanation? Can a Game Master find the rules they need during play? Do the nine classes feel distinct? Do encounters create meaningful choices? Those are the kinds of questions only real tables can answer.

A City That Keeps Moving

The goal isn't simply to win fights. Grimmstone should feel alive whether the players follow a clue or spend the evening at a strange little bar. The world has its own momentum, and player choices should matter inside it.

What Comes Next

Reader feedback and playtesting will help identify unclear instructions, mechanical problems, and places where the books need better examples. The laboratory welcomes thoughtful criticism; it's how the experiments improve.

— The Philosopher Castor, Evil Lab Studios

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