2015 · ソースブック（プレイを拡張するルール／オプション）
Modern Basics: Jungle Action
A toolkit for creating pulp-fiction jungle adventures, supporting characters ranging from explorers and hunters to larger-than-life heroes. It includes feats, talent trees, starting occupations, an alternate spellcasting system, magic items, Ju-Ju Talisman rules, adventure-generation tables, and sample characters. The revised material draws from earlier jungle-themed comics and RPG hybrids, with additional feats and a new talent tree. The rules are compatible with other OGL d20 Modern releases and d20-based systems.
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。