1992 · 核心规则（开始对局的最低要求）
To Challenge Tomorrow (4th Edition)
A universal roleplaying system designed for use across a range of settings, from Victorian stories and superhero adventures to psychic espionage. The rules emphasize character development and roleplaying while providing flexible, consistent mechanics without setting-specific restrictions. This fourth edition revises and streamlines the system and adds compatibility with the Ysgarth fantasy rules. Additional settings support different genres and styles of play.
技能型（购买或获得技能）基于属性/数值（STR、CON、PER 等）骰子（多种）
免费，支持网页、Android 和 iOS
用 Ludoya 玩 To Challenge Tomorrow (4th Edition)
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。