In order to treat a fear of spiders, also known as arachnophobia, this program allows the client to gradually get used to these animals. The therapist has control over a number of options. A glass box containing a spider can be placed on the table, spiders can be created from the "nest" on the table, the size of the spiders can be adjusted, the table can be moved closer to and further away from the client, and all spiders in the scene can be removed in an instance.