In Rebecca Allen's Bush Soul #3, part of the project Emergence, the user is implicated into a virtual environment inhabited by autonomous characters. Users control their avatar (the graphic representation of a user in virtual environments) with a joystick, navigate the environment and interact with the creatures living in the virtual world in ever-changing encounters. The project explicitly focuses on social behaviors and uses artificial life algorithms to specify the relationships between characters and objects. Encounters with the different characters and objects in the world can lead to very different exchanges – a character may be hostile or friendly, the user may be able to 'inhabit' a character or receive feedback through the joystick.