Extending a look at some reusable solutions in #musicGames.
This one is extremely rule-light, and usually to find within #experimentalMusic. Examples include #Signs and #Images by #PeterBrotzmann, or #Etudes by #SharonGal.
There is even a relatively famous adopted child of this category: #ObliqueStrategies, a card deck which was not designed or intended for live musical #performance, but many times have been used like that.