Subject 808 is a game about the alien Bob. He got captured together with others of his race by humans. They put all the aliens they captured on a space station and is now performing experiments on them. One day Bob manages to escape and this is where you start playing.
To escape, Bob uses his low profile body to sneak around on the space station and is trying find a space shuttle. Since he isn't that strong, Bob is avoiding all combat but instead of fighting, he uses is cameleon like skills to blend in with the enviroment.