itch.io

An elegant, robust system perfect for telling any kind of story you like! If you're put off by complex rulebooks, staggering numbers of roll charts and other staples of the TTRPG genre then this is definitely for you. It's a very accessible and flexible system that can be adapted to many settings, and it has great a ton of expansions! Download today!

Having written for this system I can safely say it is absolutely inspired! The simple, flexible rules effortlessly support any superhero fantasy you could imagine, whilst being easy enough to facilitate the action without getting in the way.  The design is elegant and robust, not to mention great fun!