River of Styx is a medium-volatility Pragmatic Play slot where eight matching symbols pay anywhere on a 6 x 5 grid, tumbles continue wins and bonus multipliers sum together.
The evaluation focuses on multiplier timing, retrigger conditions and the cost trade-off between the ante and direct bonus entry.
RTP and game details
| Provider | Pragmatic Play |
| Release date | June 17, 2024 |
| RTP | 96.60% |
| Volatility | Medium |
| Max win | x21,100 |
| Reels | 6 x 5 |
| Paylines/Ways | Pays Anywhere |
| Min/Max bet | $0.20-$100 |
| Theme | Mythology & Legends |
| Bonus buy | Yes |
Tumbles and multiplier summing
A paid spin places symbols across six reels and five rows, with eight or more matching icons paying anywhere. Winning symbols are removed, the remaining symbols fall downward, and replacements continue the same spin until no further matching group qualifies.
Multiplier symbols become active during free spins and remain visible until the current tumble sequence ends. Their x2 to x100 values are added together, then the combined figure multiplies the accumulated win from that sequence rather than paying independently.
Four or more Scatters start ten free spins, while three additional Scatters inside the feature add five. The 20x bet setting permits a 100x feature purchase; the 25x ante doubles the natural trigger chance and disables direct entry.
Bonus multiplier impact points
- Anywhere: Eight matching icons can pay without adjacent reel positions.
- Tumbles: Each qualifying win removes symbols before another grid evaluation.
- Multipliers: Bonus values range from x2 through x100.
- Summing: Visible bonus multipliers combine before applying to sequence wins.
- Retrigger: Three bonus Scatters add five more free spins.
- Bet modes: Ante and direct entry cannot operate together.
Summed values and payout barriers
Ordinary wins depend on symbol count and paytable value across the scatter-pays grid. The more concentrated bonus value comes from a tumble sequence that produces both paying groups and multiplier symbols before the board stops replacing winning positions.
Multiplier symbols display potential rather than standalone cash awards. Several values can sum into a large figure, but that total only affects the accumulated win from its current sequence; a blank sequence leaves the displayed multipliers without payable value.
The x21,100 cap sits above combined symbol awards, tumbles and bonus multipliers. The ante changes trigger probability at a higher recurring stake, while the feature purchase concentrates 100 base stakes into one event without guaranteeing any proportionate return.
Player fit and limitations
- May suit: players following summed multipliers through tumble sequences.
- May suit: medium volatility with a high displayed payout ceiling.
- May not: players avoiding mutually exclusive stake-enhancement choices.
- May not: fixed-line fans who prefer adjacent reel matching.
The 25x setting raises every selected spin cost.
Use a fixed budget before increasing trigger probability.
Pay-anywhere multiplier bonuses
Each alternative uses pay-anywhere tumbles and bonus-only multiplier symbols.
| Slot | RTP | Volatility | Main difference |
|---|---|---|---|
| Sweet Bonanza Dice | 96.5% | Medium | Uses candy bombs without the 20x and 25x modes. |
| Casumo Bonanza | 96.5% | Not specified | Uses branded scatters with a simpler bet-mode presentation. |
Browse more game mechanics in the Slots directory.
Free spins switch to a dedicated reel set.
The base-game symbol distribution does not remain unchanged.
FAQ
Their values are summed when the current winning tumble sequence finishes.
No. Selecting the 25x ante disables the direct purchase option.
Three or more Scatters inside free spins award five additional spins.
No. They modify an accumulated qualifying win and have no separate award.
Game Screenshots
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