2021 · ソースブック（プレイを拡張するルール／オプション）
Unstoppable Killer (M&M)
A horror-themed creature build meant to represent a relentless slasher antagonist. The product presents a playbook for a powerful, remorseless killer with stats, powers, and abilities appropriate for a high-level cinematic villain. Included are tactical details for running the monster in play, three adventure hooks that suggest scenarios and objectives, and guidance on portraying the character’s motivations and methods. The material supports incorporation into campaigns as a recurring threat or one-off nemesis for player characters.
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。