In Scallywag: In the Lair of the Medusa, a mysterious evil has begun to plague the good citizens of Gosling valley. Livestock is vanishing, people are cowering in their homes, and telemarketers keep calling during the dinner hour. Even worse, the valley's supply of mushrooms is suffering, and for the valley mushrooms are life. Providing everything from shelter to sustenance, from magic to medicine, the shroom supply must flow once more!