2019 · ソースブック（プレイを拡張するルール／オプション）
Cantrips: Supplemental Magic Rules for OSR Roleplaying Games
A 32-page supplement for old-school fantasy roleplaying games that expands the Magic-User’s options beyond a single first-level spell. It introduces rules for practicing and casting minor magical effects during adventures, along with guidance for gamemasters on incorporating them into a campaign. The supplement includes complete rules and spell data for 16 original cantrips, covering tricks such as creating light, producing sparks, and staging simple illusions. A one-page reference sheet is provided for use at the table, with compatibility for Basic/Expert D&D, Swords & Wizardry, Labyrinth Lord, and similar OSR systems.
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）クラス制（パイロット、ウィザード、サイエンティストなど）
無料・Web、Android、iOS対応
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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。