Cascading reels — also called tumbling, avalanche, or cascade mechanics — replace the classic single-spin payout with a chain reaction that can produce multiple wins from one bet.
How a cascade works
When you land a winning combination, those symbols are removed instead of staying in place. New symbols fall down to fill the gaps, and if they form another win, the process repeats. A single spin can therefore trigger several consecutive payouts.
Multipliers
Many cascade slots increase a multiplier with each successive win in the same spin. This is why big results in these games usually come from long cascade chains rather than one lucky line.
Why it feels different
Cascades tend to create more frequent small wins and occasional explosive sequences. The underlying RTP and volatility still decide long-term behaviour, so a cascade mechanic does not by itself make a game more generous.
What to keep in mind
The chain reaction is fully random each time, and a promising start can end after one drop. Enjoy the mechanic for its pace and presentation, and judge a cascade slot by its published RTP and volatility rather than the feature name.