2020 · シナリオ／アドベンチャー／モジュール
Secrets of the Nethercity
An adventure scenario for d20-based fantasy role-playing games, set in the buried ruins beneath the ancient city of Cyfaraun. Characters explore a vast network of twisting tunnels, catacombs, volcanic caves, temples, laboratories, and sepulchers while uncovering the secrets of a fallen empire. Designed for characters from 3rd to 8th level, the scenario includes more than 20 interconnected areas, new character classes, monsters, magic items, and macabre spells, along with guidance for adapting the adventure to different campaign settings.
ソースブック（プレイを拡張するルール／オプション）属性／ステータス制（STR、CON、PERなど）レベル制（XPを獲得してレベルアップ）ダイス（主にd20）
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。