2025 · Scenario / Adventure / Module
The Ruins of Castle Gygar
A 360-room megadungeon for old-school fantasy roleplaying games, set among the ruins of a fallen castle. It is designed for Old-School Essentials and other B/X-compatible systems, retroclones, and similar fantasy games. The dungeon presents a sprawling maze of rooms, passages, hazards, and encounters for exploration and adventure. Its structure draws on classic megadungeons and maze-based computer roleplaying games, supporting extended campaigns and room-by-room discovery.
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Level Based (Earn XP and level up)Dice (Various)Race Based (Player Race/Species affects gameplay)
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Free, on web, Android and iOS
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Game facts (players, playing time, age, credits) from BoardGameGeek.