GORE

Generic Old-school Role-playing Engine, or GORE as we know it, is a role-playing system in the tradition of old-school percentile-based games. Nearly all material in GORE is open game content, and Goblinoid Games provide a free license to use the GORE trademark to produce third-party products. BRP Central have been given an explicit permission to distribute the GORE core game book (electronic version) by its creator Daniel Proctor.