Two-up, while an Anzac Day tradition is illegal on all other dates. This is because the game is a form of unregulated gambling, which is an act that must adhere to the government’s strict regulations and standards. The game has been illegal for quite some time. In fact, in the 1800s, a designated watchdog, known as a ‘cockatoo’ was implemented for most games, ensuring that players were protected from the long arm of the law.