Demon Beats Slot Review – Demo, RTP & Features

Demon Beats slot game brings heavy metal music and supernatural chaos together in a high-volatility slot from NetEnt.

Released on October 15, 2026, the game follows a four-member rock band whose latest performance takes them to a temple filled with demons. The locals aren’t particularly pleased about the unexpected concert, but the musicians have no intention of abandoning their show.

The result is a lively setting where guitar riffs, animated characters and demonic imagery accompany a series of increasingly elaborate reel mechanics. The band performs outside the temple during the base game, while the Free Spins rounds take the action inside.

Demon Beats is played on a 5×4 grid with 178 connected bet lines. It has a highest listed RTP of 96.08%, high volatility and a maximum advertised payout of 10,000x the stake.

The main gameplay combines Avalanche wins, expanding Wilds, Colossal Symbols and escalating multipliers. There is also a Battle Feature, two Free Spins modes and NetEnt’s Elevate menu, which offers six optional feature purchases.

Game Features

Demon Beats uses 5 reels and 4 rows, with 178 connected bet lines. Winning combinations require matching symbols across at least three consecutive reels, beginning with the first reel. The matching symbols do not need to occupy identical positions on each reel.

There are six regular paying symbols. The four lower-paying symbols feature rats, snakes, monkeys and warthogs. Five matching low-paying symbols award between 1x and 2x the stake.

The two premium symbols are a tiger and a dragon. Five matching premium symbols pay between 4x and 10x the stake. The regular symbols are joined by Wilds, Colossal Symbols, Battle symbols and the symbols used to trigger the bonus rounds.

Avalanche Wins

Demon Beats uses an Avalanche system rather than ending a spin immediately after the first winning combination.

Whenever a win occurs, the symbols involved disappear from the grid. New symbols then drop into the empty positions, and the game checks the reels for additional wins. If another winning combination forms, the process repeats.

Avalanches continue until no further winning combinations appear. This mechanic also interacts with the multiplier beneath the reels, which advances when wins occur.

Expanding Wilds

Wild symbols substitute for regular paying symbols and expand to cover their entire reel. When a Wild lands on a reel containing a Colossal Symbol, that Colossal Symbol becomes a Colossal Wild.

Wilds also have their own multiplier mechanic. If an expanding Wild covers an already expanded Wild, the existing Wild receives a x2 multiplier. Additional Wilds expanding over a multiplied Wild increase its multiplier by +1, up to a maximum of x10.

When one multiplied Wild contributes to a winning combination, its multiplier is applied together with the multiplier displayed beneath the reels.

If multiple multiplied Wilds contribute to the same win, their multiplier values are added together before being applied with the multiplier beneath the reels.

A winning combination of five Wilds pays 10x the stake.

Colossal Symbols

Colossal Symbols occupy a 2×2 area of the grid.

They can appear in different positions but cannot land on reels containing Scatters, Super Scatters, other Colossal Symbols or Battle symbols.

When a Colossal Symbol contributes to a winning combination, it is removed along with every matching symbol elsewhere on the reels.

Colossal Symbols can also crush symbols beneath them. This happens when the surface below a Colossal Symbol is uneven, with symbols crushed until the surface becomes level.

Another rule applies when a spin produces no winning combination.

In this situation, all Colossal Symbols and their matching symbols explode. Colossal Wilds also disappear, while regular Wilds and the symbols appearing most frequently on the reels remain.

These interactions are closely connected to the game’s Avalanche and multiplier systems.

Base Game Multipliers

A multiplier is displayed beneath the reels throughout gameplay.

In the regular base game, it follows six levels:

x1 → x2 → x4 → x8 → x16 → x32

The multiplier begins at x1 and advances to the next level when a winning combination occurs or a Colossal Symbol explodes.

However, the multiplier does not automatically reset after every base-game spin.

It resets to x1 when a spin produces no win and there are no Colossal Symbols or Battle symbols on the reels.

This distinction is important because the presence of those special symbols affects the reset conditions.

Multiplier Upgrade

Demon Beats also includes a Multiplier Upgrade that changes the multiplier levels available during the base game.

The upgraded sequence is:

x1 → x4 → x16 → x64 → x256 → x1,024

According to the game information, the Multiplier Upgrade can activate randomly during the main game after the first spin.

It is also available through the Elevate menu for 25x the stake.

The upgrade replaces the regular multiplier scale with the higher values used during the Free Spins features.

Battle Feature

Battle symbols can appear during the base game, Free Spins and Super Free Spins.

The Battle Feature activates when a Battle symbol lands at the end of a spin that produces no win, provided there are no Colossal Symbols on the reels.

During the feature, up to 2 Colossal Symbols or up to 3 Wild symbols can land.

These symbols cover the Battle symbol by landing over it or through Wild expansion.

The Battle Feature ends when the Battle symbol is completely covered.

Because the mechanic can activate during all three gameplay phases, it is not exclusive to the base game.

Free Spins

Free Spins are triggered by landing between 3 and 6 Scatter symbols in the base game.

The number of awarded spins depends on how many Scatters appear.

During Free Spins, the multiplier beneath the reels uses the upgraded scale:

x1, x4, x16, x64, x256 and x1,024.

Expanding Wilds, Colossal Symbols and Battle symbols can continue to appear during the round.

The multiplier can advance through the upgraded levels, but it resets to x1 when there are no wins.

Free Spins can also be extended by landing additional Scatter symbols.

Super Free Spins

Super Free Spins are triggered when at least one Super Scatter appears among the Scatter symbols activating the bonus.

The initial number of spins follows the same structure as regular Free Spins:

• 3 triggering symbols award 8 spins.
• 4 triggering symbols award 10 spins.
• 5 triggering symbols award 12 spins.
• 6 triggering symbols award 14 spins.

Super Free Spins uses the same multiplier levels as regular Free Spins, reaching x1,024.

The key difference is that the multiplier never resets during Super Free Spins.

Wins and Colossal Symbol explosions can continue advancing the multiplier, but unsuccessful spins do not return it to x1.

Regular Free Spins can also upgrade to Super Free Spins.

When that upgrade occurs, landing 3, 4, 5 or 6 qualifying Scatter symbols awards 8, 10, 12 or 14 additional spins, respectively.

Elevate Feature Buys

NetEnt includes six optional feature purchases through its Elevate menu.

These options increase the chance of triggering bonuses or provide direct access to specific features.

The Battle Feature purchase guarantees the appearance of a Battle symbol on the first spin. It should not be confused with a guarantee of winning.

The additional source also reports slightly different RTP values when Elevate is used: 96.01% for Multiplier Upgrade and 96.00% for the other five options, compared with the highest listed regular-game RTP of 96.08%.

RTP, Volatility and Maximum Win

Demon Beats is a high-volatility slot with a maximum advertised payout of 10,000x the stake.

Three standard RTP configurations are listed:

The supplied information also gives an approximate Free Spins trigger frequency of 1 in 254 to 255 spins, with a small difference between the two sources.

The headline specifications list a betting range of €0.20 to €50, while one accompanying review mentions €100 as the maximum. NetEnt’s own published information confirms a €50 maximum bet for Elevate features.