All kids have rich imagination. But some of them imagine kind and beautiful things like rainbows, unicorns and fairies. And someone’s inner world is inhabited by terrible creatures who threaten to kill the poor child. That’s exactly the case of Isaac, the main character of this game. He imagines that there is a world of demons in the basement and that he needs to defeat them all using various magical abilities if he hopes to avoid certain death. Help him do that and restore harmony in his soul!