Glassquill found this and thought it might be of interest to others here:
Six to Start, the makers of the Zombies, Run! app has issued a submission call for scripts in a work-for-hire model. Deadline is September 26th, 2021. Apparently zombies are optional, as they are looking to branch out into other genres.
Our New Adventures bring the audio-driven running gameplay of Zombies, Run! to new stories and new genres. Walk, jog, or run in the real world and become the hero in another.