The national lotteries were established in Games offered at online casinos are basically the same as those offered at live venues, but they have a significantly larger variety.balagio hotel and casino CASINO EXCALIBUR SANTA Gambling in Australia. While most forms of betting are legal and available to the Australian majority, current government restrictions exist, such as the Interactive Gambling Act. We know that some people who enjoy traditional, land-based Australian gambling might be shy about joining up with poker or casino websites. Is Online Gambling Legal in Australia? We have explained more about the regulation of online gambling in Australia below, along with how the relevant laws affect you.