2009 · シナリオ／アドベンチャー／モジュール
Mysteries of the Hollow Earth
This sourcebook expands the mysterious and dangerous world beneath the surface, home to hungry dinosaurs, fierce native peoples, lost civilizations, and other threats. It supports adventures from the perspective of Hollow Earth inhabitants, including Amazon warriors, hawkmen, beastmasters, and other native or beastman characters. The book includes rules and guidance for creating native characters, using alchemy and shamanism, and designing new creatures. It also provides an expanded bestiary and details on notable locations, supporting adventures in the Hollow Earth or adding its dangers to surface-world games.
ソースブック（プレイを拡張するルール／オプション）スキルベース（スキルを購入または獲得）ポイント制（ポイントを割り振ってスキルや能力を得る）ダイス（主にd2/コイン）
無料・Web、Android、iOS対応
LudoyaでMysteries of the Hollow Earthを遊ぼう
ゲーム情報（人数、プレイ時間、対象年齢、クレジット）の出典：BoardGameGeek。