algorithmic ambient board cards character-building classic competitive conducting cooperative cooptional cue-cards dance dice discussion easy environment events few-players free-form free-improv game gesture guessing hard hidden-identity high-intermediate images indeterminacy in-genre insert inspire-cards instrument-preparation intermediate interpret interpretation ispire-cards kids listening loop many-players minimal movement narrative non-musical non-musician no-props physical quick rhythmic rpg score simple solo sound-collage sound-design spatial stub teams timed tonal voting