Castaway

Castaway is a rules-lite shipwreck survival horror RPG compatible with Mörk Borg. Stranded on a hostile island, players must manage exposure, craft shelter, hunt, and gather while facing mysterious encounters. Classless and brutal, it emphasizes resource scarcity and environmental danger over combat. Ideal for fans of Robinson Crusoe with a grim OSR twist.

At-a-glance

OSR/Mörk Borg lineage • d20 mechanics • Classless • 2-5 players + GM • Medium prep • Survival-focused • 2-4h sessions

Castaway

Castaway plunges players into a brutal shipwreck scenario where survival is the only goal. Stranded on a remote island filled with hostile wildlife, scarce resources, and mysterious ruins, players take on the roles of unfortunate souls fighting against the elements.

Theme and Setting

The setting combines the oppressive doom-metal aesthetic of Mörk Borg with the desperate isolation of classic survival literature like Robinson Crusoe or The Mysterious Island. The island itself is a character—ever-changing, dangerous, and indifferent to human suffering.

How Play Feels

From sun-scorched beaches to dense jungle interiors, every environment presents unique challenges. The game encourages emergent storytelling through its encounter tables, weather systems, and the gradual revelation of the island's dark secrets.

What Makes It Distinct

Survival Systems Castaway's heart lies in its comprehensive survival mechanics. The game tracks exposure, hunger, thirst, and fatigue—each capable of debilitating or killing characters.

Where It May Not Fit

You want a very light rules load You mainly want short standalone sessions with minimal carryover.