Calendula is an experimental horror game. It's presented as a game that does not want to be played and deals heavily in the "broken game that may be a portal to a different world" trope.
DescriptionAccording to the developer's website, Calendula can be variously described asa video game,a meta game,a minimalist game,a horror game,an atmospheric game,a mystery,an experience,a glass full of blood,evil,a flower,pain, andyour deepest secret.