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Beast Below

Hacksaw Gaming · released 2023

Beast Below

Inside the game

Captured in the studio's own free demo on 11 September 2026. Nothing below is taken from a press release or another site — it is what the game shows when you open it.

The base gameThe grid sits underwater: above the waterline a lit trawler drifts between two cliffs, and the five reels over four rows unfold below the surface, among bubbles and seaweed. The symbols are letters carved from blue stone and toothy fish — shark, red moray, purple anglerfish, pufferfish. The game runs on 14 fixed paylines; bottom left, the green BUY BONUS button, a demo bet of €2.00 and a play balance of €5,000.
FeaturesThe panel opens on the first feature, the Expanding Sirens. A Siren is a Wild that stretches to the top of its reel, provided the expanded symbol forms part of at least one winning combination; it then shows a multiplier applied to every win it takes part in. When several Sirens join the same win their values are added first; a reel holds only one at a time, and the multipliers run from 2x to 200x.
Game rules, page 2The scatter is a blue octopus carrying the letters FS. In The Sirens' Call bonus, Sirens land more often than in the base game and a Pink Siren joins them: once expanded she stays on her reel but is nudged one row upward on each following spin until she is gone, with multipliers from 2x to 200x. The foot of the page starts Down Below, opened by 4 FS scatters for 10 free spins, where a Diver symbol expands into a full reel of multiplied Wilds.
Game rules, page 3The diving helmet illustrates the oxygen rule of the Down Below bonus: each expanded Diver starts with 3 charges and is removed at the end of the spin on which his oxygen reaches 0. At the start of a spin a Diver may move to an adjacent reel by spending one charge, and his multiplier is then refreshed; at most three Divers coexist, and their values are added before being applied. The paytable begins at the foot of the page: the two lowest letters pay 4.00 / 1.00 / 0.20 for five, four and three symbols, the next two 5.00 / 2.00 / 0.40, the last one 6.00 / 3.00 / 0.60.
Game rules, page 4The top of the paytable at the bet shown on screen: pufferfish and shark pay 10.00 / 5.00 / 1.00 for five, four and three symbols, the green fish and the red moray 15.00 / 7.00 / 2.00, the purple anglerfish 20.00 / 10.00 / 3.00, and five golden anchors are worth 40.00. The line below gives the game's theoretical return, 96.29%, calculated over 10 billion simulated rounds. SPECIAL SYMBOLS then notes that the Pink Siren appears only in The Sirens' Call and the Diver only in Down Below.
Ways to winUnder the golden anchor comes the substitution rule: both types of Siren, like the Diver, substitute for every symbol in the paytable. WAYS TO WIN then draws the game's 14 lines as green diagrams, to be formed on adjacent reels from the leftmost one, and the BONUS BUY section opens at the foot of the page on the BUY BONUS button and the FeatureSpins option, which guarantees certain features on every spin for a set cost.
GeneralEach purchase option carries its own return, and the panel lines them up: 96.32% for Siren FeatureSpins, 96.27% for The Sirens' Call, 96.31% for Down Below. The GENERAL section follows, on the balance display, the arrows that set the bet — from €0.10 to €100.00, a limit feature buys may exceed — and launching a spin with the SPIN button or the spacebar.
Game rules, page 7The MAX WIN section caps the game at 10,000 times the bet: once reached, the round ends on the spot, the win is paid and any remaining free spins are discarded. Then come the free-spin displays — the spin's win in WIN, the running total in TOTAL WIN — followed by Autoplay and its advanced settings, which break off the run as soon as a number of rounds, a total session loss or a single win is exceeded.
Game rules, page 8The end of Turbo Play and the full list of keyboard shortcuts, gathered here in a single block: SHIFT + S and SHIFT + M for sound and music, SHIFT + P for the paytable, SHIFT + 1/2/3/4 to jump straight to one of the four buy offers, SHIFT + ENTER to confirm it, SHIFT + A for Autoplay. The standard sections begin at the foot of the page.
Game rules, page 9The last view, the one with the notices: the bottom bar shows the balance, the win and the amount staked, History keeps only completed rounds, and the general terms recall that no drawn reel represents a real device — the stopping position comes from the random number generator, not from the number of positions. In small print, the game dates its own rules to 24 April 2026 and gives its version numbers.
Buying the featureThe buy menu, opened at a €2.00 bet. Two FeatureSpins options activate on the left — BonusHunt at €6.00, making each spin 5 times more likely to trigger a bonus, and Siren at €100.00, guaranteeing at least 2 Sirens per spin — while the two bonuses are bought on the right: The Sirens' Call at €240.00, with its sticky Sirens, and Down Below at €400.00, with its expanded Divers, each advertised at a minimum of 10 free spins.

Try it for free

The studio's own free demo, played here — no account, no money, the same maths as the real game.

Open the demo on Hacksaw Gaming’s site

Where to play Beast Below

15 of our partners carry Hacksaw Gaming games. A brand-new release may still be exclusive to one operator for a few weeks.

Advertising disclosure — we earn a commission when you sign up through these links. It never changes which games we list or the figures we publish.

Everything we know about this game

The RTP of Beast Below

Beast Below is published with an RTP of 96.29%.

The figure comes from hacksawgaming.com, and the page is linked above so you can check it yourself.

Volatility

Hacksaw Gaming states a high volatility for Beast Below. Studios measure volatility on their own scales, so we report what the studio says rather than converting it to a scale of our own.

Maximum win

The ceiling announced for Beast Below is 10,000x the total stake. A maximum win is a cap, not an expectation: it is the largest payout the game can produce, reached by a combination that the mathematics make rare.

How Beast Below is built

The game runs on a 5 reels × 4 rows grid. Its wins form through 14 fixed paylines. Its mechanics are: Grid 5x4, 14 fixed paylines, Expanding Sirens : multipliers x2 to x200, additifs, Siren's Call: 10 free spins with a pink siren rising, Down Below : 10 free spins, plongeurs sur reel entier, Oxygen charges (3 per diver, 3 divers maximum), Four feature buys (3x / 50x / 120x / 200x). A bonus buy is available. Beast Below was released by Hacksaw Gaming in 2023.

What we checked

The 11 screenshots on this page were taken in the studio's own demo on 11 September 2026, not copied from another site. The figures above are read from those screens.

15 of our partner casinos carry this studio's games. We list where Beast Below can be played; we do not rank the operators by what they pay us.

Frequently asked questions

What is the RTP of Beast Below?
Beast Below is published with an RTP of 96.29%. We hold the studio page stating it, and it is linked from this page.
What is the maximum win on Beast Below?
The ceiling announced for Beast Below is 10,000x the total stake.
Does Beast Below have a bonus buy?
Yes. Beast Below lets you buy the feature directly.
How volatile is Beast Below?
Hacksaw Gaming states a high volatility for Beast Below.
Can I play Beast Below for free?
Yes. The free demo of Beast Below opens on the studio's own page, without an account and without a deposit.
Where can I play Beast Below?
15 of our partner casinos carry this studio's games; they are listed above on this page. A brand-new release may stay exclusive to one operator for a few weeks.

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