Much of the appeal of online slots, including free online slots, is the big win potential from relatively small bets on each spin. At any time, a one-coin spin could yield hundreds or even thousands of coins back in return. That’s for standard slots, though.
The progressive slots featured in free-to-play games, which can be found online, enhance the maximum prize further, with an ever-increasing ticker showing you exactly how much could be won.
So, it doesn’t come as a surprise that progressive slots for free have become very popular. Working in a very similar way to real-money progressive slots, the big-win potential is there for all to see, and most of the time, anyone could become the big winner.