Substratum Protocol art zine only the players do

only the players do

Hunt ravenous monsters and unearth dangerous relics as you search for the Psalm itself

Differences From Some TTRPGs

and factions twisted beyond recognition

eight mercenaries

Substratum Protocol art zine only the players doWhen the anomaly appeared at the Earth's core, the Substratum Protocol was initiated. You are the best and brightest scientists we have left, our last hope to stem the apocalypse. You are the Substratum Expedition Team. Descend. Learn. Survive. A solo+ survival mystery RPG using step down dice and card draw mechanics, Substratum Protocol is playable as both a solo game or guided by a GM for 26 players. With players taking on the role of Earth's best