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Beast Below

Bonus Buy · Expanding Sirens · Expanding Wilds · Multiplier Wilds · The Siren's Call Bonus · Down Below Bonus · Diver Wilds · Pink Siren Wild · Yellow Siren Wild · Sticky Wilds · Free Spins · Scatter Symbols · Wild Anchors

Beast Below is Hacksaw Gaming's deep-sea mythology slot featuring a 5x4 grid with 14 paylines and a cluster of siren-themed mechanics that layer expanding wilds, sticky wilds, and multiplier modifiers. With a high volatility ceiling and a theoretical 10,000x max win, this is a mechanically dense underwater adventure built for players who enjoy feature-heavy gameplay and don't mind the inherent variance.

Beast Below Bonus Buy Options

4 options available · 3x to 200x bet

BonusHunt FeatureSpins
3x

Every spin is 5x more likely to trigger a bonus game

Siren FeatureSpins
50x

At least 2 Siren symbols guaranteed to land on every spin

The Siren's Call
120x
96.27% RTP

Directly triggers The Siren's Call free spins bonus round

Down Below
200x
96.31% RTPBest

Directly triggers the Down Below free spins bonus round

Beast Below Videos

Beast Below Full Review

Beast Below Overview

Beast Below plunges players into a dark, mythologically-charged ocean setting where expanding sirens and wild anchors form the backbone of its mechanical design. Hacksaw Gaming has constructed this as a high-volatility title with substantial feature density—multiple wild types, free spin bonuses, and buyable entry points into its bonus rounds. The 5x4 grid with 14 paylines is deliberately compact, designed to concentrate symbol interactions rather than spread them thin.

How Beast Below Works

The base game operates on a straightforward grid structure, but the real complexity emerges from how symbols behave when they land. The slot includes scatter symbols that trigger its bonus modes, wild anchors that anchor in place, and multiple siren variants (Pink Siren Wild and Yellow Siren Wild) that expand according to their own rules. Payline wins are calculated left-to-right across the 5-column layout, with standard symbol combinations forming the baseline mechanic.

Volatility is rated 4/5—this means long stretches between wins are the norm, and when wins do occur, the distribution skews heavily toward larger payouts. The theoretical maximum of 10,000x the stake exists at the extreme end of a multiplier and feature combination chain; understanding this as a mechanical ceiling rather than a realistic target is essential context for managing expectations.

Beast Below Bonus Features

Expanding Sirens & Expanding Wilds When siren symbols land, they expand to fill their reel or column, increasing the likelihood of connecting paylines. This mechanic is distinct from fixed wilds—the expansion actively changes the geometry of the grid on a per-spin basis. Expanding wilds function similarly but are separate symbol types, creating multiple pathways for pattern completion.

Multiplier Wilds Certain wild instances carry multiplier values that apply to any win they contribute to. These stack with other multipliers on the same spin, which is where higher-value outcomes begin to compound. The theoretical max win scales through these multiplier chains, particularly when they align with bonus round activity.

Diver Wilds & Pink/Yellow Siren Wilds Hacksaw has introduced themed wild variants that trigger or behave differently depending on context. Diver wilds are distinct from siren wilds, suggesting they activate under different conditions or interact uniquely with expanding mechanics. The two siren colors (Pink and Yellow) likely serve as independent multiplier sources or bonus triggers.

Sticky Wilds Once landed, sticky wilds remain on the reels for subsequent spins, enabling consecutive win opportunities without requiring new wild symbols to land. This feature is particularly valuable in bonus rounds where free spins provide multiple chances for sticky wilds to accumulate and compound.

The Siren's Call Bonus This is one of two free spin modes. The Siren's Call is trigger-based during normal play, occurring when scatter symbols align according to the game's rules. The mechanics within this round (expanded wild behavior, multiplier interaction) differ from base gameplay, creating a distinct risk-reward environment.

Down Below Bonus A second free spin mode with its own trigger condition and internal ruleset. Having two separate bonus rounds allows Hacksaw to vary the feature experience—one might emphasize multiplier stacking, the other sticky wild accumulation. The variance and potential payout profiles of each round may differ.

Wild Anchors Anchors that lock in place and function as wild symbols on subsequent spins, similar to sticky wilds but with distinct visual/thematic identity. These reinforce the deep-sea setting while serving a mechanical role in maintaining wild presence across multiple spins.

Beast Below Bonus Buy Options

Bonus buys allow direct payment to trigger or improve chances of bonus features—a cost-to-convenience trade-off rather than a gameplay advantage in the traditional sense.

BonusHunt FeatureSpins (3x bet cost) This option increases bonus trigger frequency by 5x, meaning scatters or bonus conditions occur roughly five times more often than in unmodified gameplay. This compresses the variance experience by bringing bonus rounds closer together, but it does so through increased cumulative cost per spin. RTP under this feature is not published.

Siren FeatureSpins (50x bet cost) Guarantees at least 2 Siren symbols on every spin. This removes the randomness from siren landing, forcing their appearance and thus their expanding mechanic to activate consistently. The cost-to-benefit ratio depends on how valuable double siren overlaps are in the game's math model. RTP unknown.

The Siren's Call (120x bet cost, 96.27% RTP) Directly triggers the free spins bonus round, bypassing the scatter requirement. At this cost, the buyer is paying for guaranteed bonus access. The stated RTP of 96.27% reflects this specific mode's long-term payout behavior.

Down Below (200x bet cost, 96.31% RTP) The premium bonus buy option, triggering the second bonus round at the highest cost. The RTP of 96.31% is marginally higher than The Siren's Call, but this could reflect the specific payout distribution of the Down Below round rather than a "better" value—both are mathematically neutral long-term propositions for the house.

Bonus buys are designed for players seeking to skip the base game grind and access higher-variance feature play directly. They do not improve win likelihood; they exchange cost for predictability of experience.

Gamble responsibly. Slots are entertainment, not income.

Beast Below Verdict

Beast Below is a mechanically intricate slot for experienced players who appreciate layered wild systems and multiple bonus pathways. If you enjoy high-volatility mechanics, themed aesthetics, and don't mind extended dry spells between wins, the feature density offers engagement value. If you prefer straightforward, low-variance gameplay, the 4/5 volatility rating and complex mechanic stack make this a poor fit.

Frequently Asked Questions

What is the RTP of Beast Below?
The standard RTP for Beast Below is 96.29%. However, Hacksaw Gaming offers multiple RTP variants: 96.29%, 94.27%, 92.25%, and 88.28%. Operators choose which variant to deploy. Additionally, the bonus buy options have their own stated RTPs: The Siren's Call (120x) is 96.27%, and Down Below (200x) is 96.31%. BonusHunt and Siren FeatureSpins do not publish RTP values.
What is the maximum win in Beast Below?
The theoretical maximum win in Beast Below is 10,000x the stake. This ceiling is derived from multiplier and feature combinations during bonus rounds, but it represents the absolute upper limit—not a realistic or achievable target for typical play.
How volatile is Beast Below?
Beast Below has high volatility, rated 4/5. This means payouts are distributed unevenly, with frequent small or zero returns interrupted by larger wins. Extended losing streaks are normal under high volatility; the slot is not designed for consistent session play.
What are the bonus features in Beast Below?
Beast Below includes Expanding Sirens, Expanding Wilds, Multiplier Wilds, Diver Wilds, Pink and Yellow Siren Wilds, Sticky Wilds, Wild Anchors, scatter symbols, two free spin bonus rounds (The Siren's Call and Down Below), and four bonus buy options. The bonus rounds and wild mechanics interact to create the slot's complex payout structure.
What is the bet range for Beast Below?
Beast Below accepts bets from $0.10 to $100 per spin, allowing flexibility for different bankroll sizes. Bonus buy costs are expressed as multiples of the current bet.
Does Beast Below have bonus buy options?
Yes. Beast Below offers four bonus buy options: BonusHunt FeatureSpins (3x bet, 5x higher bonus trigger rate), Siren FeatureSpins (50x bet, guarantees 2+ Sirens per spin), The Siren's Call (120x bet, RTP 96.27%, direct trigger), and Down Below (200x bet, RTP 96.31%, direct trigger). These allow players to pay for direct access to bonus rounds or increased feature frequency.
Is Beast Below similar to other Hacksaw Gaming slots?
Beast Below shares Hacksaw's design philosophy of high volatility and feature density with other titles in the catalog. If you've enjoyed slots like [Dark Spiral](/slots/dark-spiral), [Cursed Seas](/slots/cursed-seas), or [Fear the Dark](/slots/fear-the-dark), the mechanical complexity and dark-themed aesthetic will be familiar, though Beast Below's specific siren and anchor mechanics are unique to this release.
What theme does Beast Below use?
Beast Below is set in a dark, deep-sea, underwater mythology environment. The theme uses siren and ocean-creature imagery aligned with ancient mythology, creating a cohesive visual and mechanical identity centered on the abyss.

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