XD20 Roleplaying System (1st & 2nd Ed.)
A streamlined roleplaying system for running adventures in any setting, from dungeon crawls to unusual crossover scenarios. Players create characters, resolve actions with a twenty-sided die, and face challenges guided by a game master. The basic rules emphasize quick teaching and play, while the included advanced edition adds more detail and complexity.
属性／ステータス制（STR、CON、PERなど）ダイス（主にd20）記述ベース（ダイスよりもナラティブを重視）
無料・Web、Android、iOS対応
LudoyaでXD20 Roleplaying System (1st & 2nd Ed.)を遊ぼう
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。