Free casino slots are made up of multiple games within the machine. Even your favorite game at the casino might be in the free casino slots. Just take a look, no harm.
As you take a look, chances are that you will win yourself some free credits which you can use to play on the pay machines or you can redeem for cash. But free casino slots are free indeed. You just got to find a terminal that is not being used and start playing. No money to be paid.
Whatever your preferred game, you will find it on these free machines. And if you do not find the one you are so used to, then why not try another one for once? Who knows you may find that you like this one even more than you think. Or better still you can use skills from the other game on your new found darling game to win massive credits.
The only thing you need to be aware of in advance is how the games are activated. Each game has a symbol associated with it. Now when you pull the handle to play free casino slots the active game is indicated by the series of symbols that turn up.