It is the peak activity of the Interplay organisation, and is held for two weeks every two years in Townsville, Australia.
40 playwrights aged between 18 and 26 came from across Australia, China, Croatia, England, Finland, Germany, Hungary, Indonesia, Kenya, the Netherlands, New Zealand, Papua New Guinea, the Philippines, Singapore, Switzerland, Turkey, and the USA.
They were joined by senior directors and dramaturgs from ten nations for two weeks of workshops, forums and cultural exchange.
At World Interplay 2003 and 2005, playwrights came from nations such as Bulgaria, Cambodia, Croatia, the Czech Republic, England, Finland, Germany, Ghana, Greece, Hungary, Iceland, Japan, Kenya, Mexico, the Netherlands, New Zealand, Scotland, South Africa, Switzerland, the U.S., Venezuela, and Vietnam, as well as Australia.
Long term partner organisations include the Royal Court Theatre and the Utrecht School of the Arts.