FLEXFLEX is a skill-based role-playing game engine designed for speed¸ flexibility¸ and easy learning¸ while at the same time allowing a good level of character detail and action. The FLEX system is primarily designed for running heroic fantasy adventures¸ but may easily be adapted to other genres like science fiction¸ historical¸ or superheroes. To this end rules have been included for the use of firearms¸ vehicles¸ and other technology. All you need to use the FLEX system is at least one 20-sided die¸ some paper and pencils¸ and your imagination. [Thx to UncleBear.com ] A generic RPG 'engine'. It uses a skill-based system¸ Attribute+Skill+d20 roll (open-ended) vs difficulty. Character creation is by template plus point-buying. 52 pages HTML. Also has a science-fantasy setting.