Inferno Mayhem Slot by PG Soft
by PG SoftReleased Mar 2, 2026
Free demo - play instantly in your browser
5x5 cluster pays slot with Wild multipliers up to x500. Each Wild awards a respin and stays. Free spins make all Wilds sticky. Super Feature Buy available.

Specifications
| Game Type | Slots |
|---|---|
| RTP | 96.74% |
| Volatility | High |
| Max Win | 25,000x |
| Grid | 5x5 |
| Paylines | Cluster Pays (5+ adjacent H/V) |
| Min Bet | $0.2 |
| Max Bet | $100 |
| Hit Freq | 23.26% |

About Inferno Mayhem Slot
Every Wild that lands on the grid awards a respin and stays put while new symbols drop. Some Wilds come bare. Others carry multipliers - anywhere from x2 to x500. When multiple multiplied Wilds sit on the board at once, their values are summed, not multiplied together, and that combined figure applies to all wins before payout. Two Wilds showing x3 and x5 give you x8, not x15. The distinction matters because Wilds accumulate fast here, especially once the respins start chaining - each new Wild that drops extends the sequence by one more spin, keeping everything already on the board locked in place.
Free spins take that accumulation and remove the reset. In the base game, Wilds disappear after their respin chain ends. During the bonus round, every Wild that appears stays on the grid until the last free spin resolves. The board gradually fills with sticky Wilds as the round progresses, and their multipliers keep stacking into a single summed value that grows with each new arrival. Three scatters award 10 spins, four give 12, five give 15. By the tail end of a longer run, you're looking at a grid where half the positions are locked Wilds feeding a combined multiplier into whatever clusters still form around them.
The Super Feature Buy at 800x your bet guarantees that every Wild during the bonus carries a multiplier. Normally some Wilds land without one, which dilutes the stacking math. The standard buy at 100x skips straight to free spins without that guarantee. It's a meaningful gap - the premium option turns every Wild into a multiplier contributor instead of just a substitution symbol, so the summed value climbs faster across the round.
Skull-faced rockers in leather jackets and neon-green shades make up the high-value symbols, alongside splashing beer cans, spiked rings, and flame-licked boots. The Wild itself is a golden skeleton guitarist mid-leap, framed in fire. Below the reels, purple fog rolls over what looks like a concert pit viewed from backstage, all dark metal tones and magenta stage lighting against a charcoal grid. Clusters need 5 or more matching symbols touching horizontally or vertically, and the collapsing reels clear wins and drop replacements before the next evaluation - so a single spin with a well-placed multiplied Wild can cascade through several payouts, all under that same summed multiplier.
Reviewed by Arina, Slots Editor at Spinoxy Media Ltd.