Satan is an Astronaut is an adventure game designed for Mac users, immersing players in a mysterious narrative filled with psychological depth. The story revolves around a woman plagued by severe delusions, who wakes up in a forest aboard 'The BUB,' a proto-generation ship from the enigmatic Faust Corporation. As players navigate through this surreal environment, they encounter a spirit from her past, unraveling the complexities of her reality and the nature of her delusions.

The game combines rich storytelling with an engaging gameplay experience, challenging players to discern the truth behind the protagonist's visions. With its unique premise and atmospheric setting, players are encouraged to explore the intricate world and uncover the secrets that lie within. This full version offers a compelling adventure that blends elements of psychological thriller and exploration, making it a notable addition to the adventure game genre.