Install Cheat Engine and remove the bundleware, Select the goime swf change the speed hack to 100, Play a bit with this speed hack on then change it to 1000 click Ok on the warning pop up and you will see a pretty weird bug happening but thats just stage one, click on the top bar on Control and then Step Back then the 500 ending credits will roll with screen bugged and all achievement unlocked good job this will go infintly and repeat for ever enjoy this 500-Bug