Chimera Beast takes place on a planet which is described as distant and Earth-like. The planet is overrun by animals known as eaters, capable of eating other creatures and acquiring their abilities or characteristics. The player controls one of these eaters and progresses through the game by means of evolution, consuming microscopic organisms in th ...Read Moree first stage, fish in the second, and so on. When the player's creature gets big enough to take on humanity, the goal of the game is revealed. The planet's humans have developed space travel, which the player must thwart, so as not to give the eaters a means of escaping the planet.