Generally, slot/video poker free play credits convert to real money after being played once - i.e. you'll getR$10 slot credit, then you playR$10 worth of spins, any winnings are now real  cash.

With 10 spins at 50 cents each, I don't seem to win anything. As soon I put my money in, the machine seems to change and starts to pay with some credits.  Gerry L. ANSWER: More and more casinos are rewarding slot players with free play, giving them a chance to win without having to drop a dime into a machine.