If your OS is anything other than Linux or Windows, or if you just can't install it using the existing ones, play it on the web here: https://photon-nikko.itch.io/projecter-web-edition
If your OS is anything other than Linux or Windows, or if you just can't install it using the existing ones, play it on the web here: https://photon-nikko.itch.io/projecter-web-edition