2013 · ソースブック（プレイを拡張するルール／オプション）
Lusus Naturae IV
A bestiary for the Throwigames Simple Roleplaying System, covering powerful monsters and beasts with PR43 and above. It completes the initial series of creature guides and focuses on the most difficult foes found in the game world. Each entry provides suggested rules, statistics, difficulties, numbers, and rewards for the game master to adjust as needed. Most creatures receive concise descriptions, while unique creatures are detailed more fully. The guide assumes a harsh setting where material rewards are scarce.
スキルベース（スキルを購入または獲得）ダイス（主にd6）属性／ステータス制（STR、CON、PERなど）
ゲームについて
- デザイン
- 出版社
拡張の対象
Ludoyaで見る
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。