2015 · ソースブック（プレイを拡張するルール／オプション）
Ongoing Investigations: Character Options for Investigators
This roleplaying supplement expands investigator characters with nine archetypes inspired by mystery fiction, including corrupt detectives, investigators with drug habits, detached crime scene analysts, and spellcasting investigators. It adds fifteen investigator talents, sixteen feats, and sixteen spells that support clue-finding, deduction, and solving magical or mundane crimes. A separate section provides guidance for creating and running mystery-focused adventures, with advice on constructing investigations and presenting clues for players and Game Masters.
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）
無料・Web、Android、iOS対応
LudoyaでOngoing Investigations: Character Options for Investigators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。