Start any game. Then go to the slots and select any slots for 5 cent game.
Insert 100000 credits. Then go back into the slots menu and select any
slots for $1000 then you should Be Very, Very, RICH. Once you do that
Repeat that same process but this time put in 999999 credits. And go back
to the $1000 slots now you should have over a Billion Dollars.