I was able to play by not putting anything in the boxes and pressing start. I love the voiceover, but the "Labyrinthine Corridors" that are promised don't seem to be part of the game. I think feeding the beast and yourself is very thematic.
It needs values from 0.0001 to ~0.0005. And to translate float into string, I found only the float.Parse () function. For half an hour I could not understand that in order for it to work, the value should not be with a dot, but with a comma