Perfect 20 Roleplaying System (2005 & 2006 Editions)
A streamlined fantasy roleplaying system based on the open gaming fantasy SRD. All actions use d20 rolls, while characters advance through a non-class-based system with simplified rules.
技能型（购买或获得技能）骰子（主要为 d20）
免费，支持网页、Android 和 iOS
用 Ludoya 玩 Perfect 20 Roleplaying System (2005 & 2006 Editions)
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。