For Australian players choosing an online casino, the flashy bonus offers are easy to notice. But there’s another number that is more important for your wallet over time: the Return to Player (RTP). This percentage shows the theoretical amount a game pays back across millions of spins. I set out to put 500 Casino under the microscope. I contrasted the RTPs of hundreds of its games against the known industry averages. I aimed to see if this platform offers Aussies genuinely better value, or if it merely meets the basic mark. What follows is the full breakdown, a data-driven look to help you choose in a market full of options.