2009 · キャンペーン設定（ゲーム世界）
Horror20
This modern horror roleplaying supplement adds rules and resources for running campaigns focused on ghosts, undead, hauntings, and other supernatural threats. It introduces new skills, feats, equipment, and guidance for characters who investigate paranormal activity. Game Masters receive Fear and Sanity mechanics, advice for creating hauntings, and sample creatures and spirits to use in play. Adventures place characters at risk of psychological as well as physical harm as they confront ancient evils and other horrors.
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）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）
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。