Maybe you're looking for A actual play like Hint: Murder Mystery from https://www.youtube.com/watch?v=Q8_kaflG8bA
Here's a big list of others https://docs.google.com/document/d/1_kmOtmcOMFfEe5zrocAPKZn_Uqcacoa7PYaY2YGHeF0
#cyphersystem #ttrpg