I have been known to enjoy playing the slots. They can be a fun way to lose your money. It does depend on - how quickly you are losing your money, how many free drinks you have had, and if you are around fun people. Here is a slot machine I made from scratch. I hope you enjoy.
I am a big fan of video poker. It is a great way to slowly lose your money. :-) Jacks or Better is suppose to have the best odds. And it is the easiest to understand, especially after a few free casino drinks. :-)
A 9x9 grid - each column, each row, and each of the nine 3x3 boxes (also called blocks or regions) can only contain the digits 1 to 9 one time. If you don't know Sudoku, here is the wikipedia page.