2006 · キャンペーン設定（ゲーム世界）
Ptolus: DM's Companion
This Game Master’s resource explores daily life in the city of Ptolus, including homes, entertainment, tools, Imperial law, scientific inventions, firearms, clocks, printing presses, and chaositech. It also covers the life of adventurers and offers guidance for planning and running urban fantasy campaigns. New rules material includes monsters, magic, and prestige classes for the Ptolus setting, while the content can also support other city-based d20 roleplaying 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。