The machines are carefully designed from their shape, colour, flashing lights and sounds to encourage play and the rapid play furthers more stimulation of the brain. The player starts to lose awareness of their surroundings and they become more immersed in the machine itself.

Playing Slots Releases Dopamine (or the Feel Good Chemical)\n\n This chemical heightens their sense of euphoria. It allows them to feel the same way they do after exercising or making love, and they want to experience this feeling again and again, no matter how many losses it takes from them to achieve it.