Winning symbols vanish, new ones drop in, and multipliers climb — every tumble release we track.
Reviewed by Lewis Bagshaw | Published April 2026
Tumble slots (also called cascade, avalanche or drop slots) remove winning symbols after each hit and let new ones fall into place. A single spin can chain into multiple wins as long as new symbols keep forming combinations.
Every dedicated tumble release we track is listed below, sorted by date, then re-ranked by max win and RTP so you can see which titles deliver the biggest chains.
Sorted by release date, newest first.
| Name | Provider | RTP | Max Win | Volatility | Released |
|---|---|---|---|---|---|
| Wildhound Derby Ultra | iSoftBet | 94.91% | 12,500x | Medium | Jun 2026 |
A tumble is triggered whenever a spin produces a winning combination. The paying symbols are cleared from the reels, and remaining symbols either drop into the gaps or the empty positions are refilled from above. If the new layout forms another win, the tumble repeats — with no upper limit in most modern implementations.
The signature feature stacked on top is the multiplier trail: each tumble in a sequence increases a running multiplier that resets on a non-winning drop. In free-spins rounds, providers typically remove the reset, so the multiplier persists across the entire feature — this is where the advertised max win is hit.
Base-game hit frequency looks high because a single spin resolves as multiple mini-outcomes, but the volatility is driven by the length of the tumble chain, not the initial hit. Longer chains in the feature deliver the extreme payouts the mechanic is known for.
| Name | Provider | RTP | Max Win | Volatility | Released |
|---|---|---|---|---|---|
| Wildhound Derby Ultra | iSoftBet | 94.91% | 12,500x | Medium | Jun 2026 |
| Name | Provider | RTP | Max Win | Volatility | Released |
|---|---|---|---|---|---|
| Wildhound Derby Ultra | iSoftBet | 94.91% | 12,500x | Medium | Jun 2026 |
New to RTP? Read our guide to slot RTP for how the number is calculated and why it matters over long play sessions.
About the author

Lewis Bagshaw
Slots & Games Specialist
Lewis specialises in game mechanics, RTP analysis, and provider assessment. With a strong analytical background and a long-standing interest in slot design, Lewis brings rigour to our game coverage. He is responsible for all provider spotlight content, slot comparisons, and mechanic guides.
Areas of expertise: Slot Reviews, RTP & Volatility Analysis, Provider Spotlights, Game Mechanic Guides.