Michal Sedlacko

The City State of the Invincible Overlord is an epic collection of campaign resources for both 5e and DCC RPG. More than 800 pages of material, multiple poster maps, and a city’s worth of gaming!

The 2006 retro-clone of first edition AD&D, rewritten and reorganized for 2025! OSRIC 3 is easier to learn, with more examples of play. This is the beginning of a new product line for Mythmere Games, to include adventure modules and much more!

TERRORS FROM THE COSMOS - SERIES TWO is a boxed set of 5 sci-fi horror adventure pamphlets for the Mothership 1st Edition sci-fi horror RPG game system, and easily adapted for play with any sci-fi RPG system.

Downcrawl 2E is a TTRPG toolkit for exploring a weird, wondrous underworld of stalactite cities and fungal gods. Now supports zero-prep and solo play!

Salvage Union is a simple to learn, post-apocalyptic Mech tabletop RPG. You play as a salvager crew, scouring the wastes for scrap in salvaged Mechs. The Starter Set contains everything you need to start playing, including a brand new campaign.

A 6-person, one-session asymmetric map-making TTRPG about striking balance between extremes. Each player takes on the role of a unique force and uses individual mechanics to create a world of harmony and abundance... knowing it's all doomed.