2011 · 核心规则（开始对局的最低要求）
One Piece: Game Master's Guide (Version 1)
A d20-based roleplaying game set in a world of pirates, bounty hunters, and Marines. The rules combine standard d20 concepts with additional systems designed for the setting, including dangerous sea travel, survival, and food management. Game Masters use the guide to run adventures across the Grand Line, determine allies and enemies, and support campaigns shaped by the characters’ chosen faction.
技能型（购买或获得技能）基于点数（分配点数以获得技能、能力等）基于属性/数值（STR、CON、PER 等）
免费，支持网页、Android 和 iOS
用 Ludoya 玩 One Piece: Game Master's Guide (Version 1)
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。