2005 · ソースブック（プレイを拡張するルール／オプション）
Mad Scramble
This supplement provides a dozen alternative initiative systems for d20 and other roleplaying games, covering fast and simple play alongside detailed, cinematic, martial arts, and anime-style combat. Each system changes how turn order is determined and helps establish the tone of a battle. It also includes 52 options for further customization, along with new feats, poisons, and magic effects for use in fantasy campaigns.
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。