2016 · 替代规则（核心规则变体）
M-Space
A d100-based science-fiction roleplaying system for creating original universes and playing characters from different cultures and careers. The rules cover starship piloting, encounters with alien lifeforms, and exploration of distant worlds, using the Mythras Imperative game engine.
技能型（购买或获得技能）基于属性/数值（STR、CON、PER 等）行动表（表格决定行动结果）
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。