2020 · ソースブック（プレイを拡張するルール／オプション）
Time Traveler's Codex
A campaign supplement for Mutants & Masterminds, Third Edition, focused on superhero adventures across history and the future. It explains how time travel can work in the Earth-Prime setting, including causality, consequences, optional rules, temporal hazards, and guidance for building time-hopping series. The book includes villain and hero archetypes, new advantages, powers, equipment, minions, and detailed historical eras with statblocks, adventure ideas, and setting advice. Adventures can take place in locations ranging from medieval French castles and Aztec battlefields to the imperial Ming court.
スキルベース（スキルを購入または獲得）ポイント制（ポイントを割り振ってスキルや能力を得る）特性／アスペクト制（性格がゲームプレイに影響する）
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。