Penny slot machines appeal to many players because, historically, they offered the lowest cost to play. For just a cent you could spin the reels and take a shot at a big win. You can still pay penny slots today both online and at the casino, for free or real money  but the name doesn't truly reflect the reality.

You have a single penny in your pocket, but you'd like to spin the reels? Worry not! Both online and brick-and-mortar casinos are packed with penny slots where you can bet with only a cent per payline and potentially earn a fortune. What are penny slots, then, and how do they work?