How to play Beast Below

Descend past the last rays of sunlight into a trench where the water presses in and every shadow hides teeth. The Siren wild expands upward to fill her reel when she lands. Her column then carries a multiplier up to x200, and multiple Sirens stack their values on the same spin. Beast Below is a high volatility, fixed-payline slot from Hacksaw Gaming. It plays on a 5x4 grid where wins form from left to right on adjacent reels. The base game features expanding Siren wilds that carry multipliers up to x200. Landing 4 FS symbols triggers the Down Below bonus round, which introduces moving Diver wilds with oxygen charges. Combining these features can lead to a top win of 10,000x your stake. Here is how you play.

Pick a stake and spin the 5x4 grid.
Watch for matching symbols to land on adjacent reels from left to right, starting on reel 1.
Land a Siren wild to see it expand upward, covering its reel and applying a multiplier up to x200 to any wins it contributes to.
Collect 3 FS symbols to trigger 10 free spins in the Sirens' Call bonus round.
Land 4 FS symbols to start the Down Below bonus round, where Diver wilds expand and move across reels.
For 3x your stake, activate BonusHunt FeatureSpins to increase the chance of a bonus round. For 50x your stake, guarantee at least 2 Sirens land with Siren FeatureSpins.

Key mechanics

Siren / Expanding Siren Wild: This is a wild that lands in the base game, expands upward to the top of its reel, and carries a random multiplier from x2 to x200 that applies to wins it contributes to.
Sirens' Call: This is a bonus round triggered by 3 FS symbols in the base game, awarding 10 free spins and increasing the chance of Siren-style wild action.
Down Below: This is a bonus round triggered by 4 FS symbols, introducing full-reel Diver wilds that expand and use oxygen charges as they move between reels.

Bonus rounds

Sirens' Call (3 FS symbols): Awards 10 free spins and increases the chance of Siren-style wild action.
Down Below (4 FS symbols): Introduces full-reel Diver wilds that expand on landing and move between reels while consuming oxygen charges.
BonusHunt FeatureSpins (Bonus Buy for 3x stake): Makes a bonus round more likely on each spin.
Siren FeatureSpins (Bonus Buy for 50x stake): Guarantees at least 2 Sirens land.

What is the RTP of Beast Below?

The RTP is 94% on Acebet.cc.

What is the volatility of Beast Below?

Volatility is high, rated 5/6 by the provider.

What is the max win on Beast Below?

The highest possible win in Beast Below is 10,000x your stake. The biggest wins come from combining the expanding Siren multipliers and the special bonus round wild behavior.

How many paylines does Beast Below have?

There are 14 fixed paylines, so every spin plays all 14.

What are the highest paying symbols in Beast Below?

Symbol	Top pay
Angler Fish	3x
Wolf Fish	2x
Red Eel	2x
Piranha	1x
Shark	1x

What is the hit rate of Beast Below?

Wins land on 25.56% of spins on Acebet.cc. That is roughly one paying spin in 4.

Does Beast Below have free demos?

No, there is no demo mode on Acebet.cc. Gold Coins are the free way to play it.

Does Beast Below have free spins?

Yes, it has two free spins rounds. Landing 3 FS symbols triggers the Sirens' Call round, which awards 10 free spins. Landing 4 FS symbols triggers the Down Below round, which introduces full-reel Diver wilds that move between reels. Acebet.cc's welcome bonus can be used on Beast Below.

Does Beast Below have bonus games?

Yes, it has bonus games. It offers the Sirens' Call bonus, triggered by 3 FS symbols, and the Down Below bonus, triggered by 4 FS symbols. You can buy into these bonus features directly: BonusHunt FeatureSpins cost 3x your stake, and Siren FeatureSpins cost 50x your stake.

How does Beast Below's Expanding Siren Wild work?

The Siren is a wild symbol that can appear in the base game. When it lands, it expands upward to cover its entire reel. This expanded Siren can carry a random multiplier ranging from 2x to 200x, which applies to any wins it helps create. If multiple Siren multipliers contribute to the same win, they stack additively.

Does Acebet.cc offer a no-deposit bonus for Beast Below?

Yes. New players get 10 SC free at signup with code ACEBET, no purchase necessary, plus a 200% bonus on a first Gold Coin purchase up to 10 SC. Bonus SC carries a 1x playthrough before it can be redeemed. Both can be played on Beast Below. Claim the no deposit social casino bonus. You must be 18 or older, and eligibility depends on where you play from.

What is a good strategy for Beast Below?

It is a high volatility slot with a 25.56% hit rate. It pays on about one in four spins, and the top win is 10,000x your stake. The Siren Wild can expand and carry a multiplier from x2 to x200. You can buy BonusHunt FeatureSpins for 3x your stake to increase the chance of a bonus round, or Siren FeatureSpins for 50x your stake to guarantee at least 2 Sirens land. For something slower with the odds published, there is keno casino.

How does Beast Below actually work?

It plays on a 5x4 grid with fixed paylines. Wins form by landing 3 or more matching symbols on adjacent reels, starting from the first reel. The game features expanding Siren wilds and two distinct bonus rounds.

What is the Siren feature in Beast Below?

The Siren is a wild symbol that expands upward to fill its reel. It can carry a random multiplier from x2 to x200, which applies to any wins it helps create. Multiple Siren multipliers can stack additively on the same win.

How do you trigger the bonus rounds in Beast Below?

The Sirens' Call bonus round triggers with 3 FS symbols, awarding 10 free spins and increasing the chance of Siren wild action. The Down Below bonus round triggers with 4 FS symbols, introducing full-reel Diver wilds that move and consume oxygen charges.

Is Beast Below worth playing for the features?

Players describe it as a polished, feature-driven slot where the bonus moments are impactful. The base game can be quiet while waiting for feature hits. The game's identity and biggest win potential come from the Siren-based action.

More underwater slots on Acebet.cc

Here are more underwater slots from the full social casino slots library on Acebet.cc.

RTP and volatility are set by the provider and subject to change. The figures above were accurate at publication. The in-game paytable always shows what the build is running right now.