[retroplayer]

Like somehow you get to generate valid cash out vouchers that can be cashed out at the cash desk for money..

There are glitches here and there, but unless you got hold of the source code orsomething, it is unlikely you would find anything.

Once a guy managed to figure out a glitch that made him win every time, but he abused it too much and got greedy. This podcast had an episode on him

If you don't want to listen to the whole thing, then here are some sources on him:

• Wired Article 1
  
• Wired Article 2
  
• Youtube vid on the subject
  

Besides luck, the only other way I can think of someone beating the system through hacking is by plugging in a USB or something with malware...issue with that though is that you need to know how the software works in order to write it, and if security cameras pick you up plugging it in then you are dead in the water. Win too much and you bet your ass they will start looking to see if you rigged it