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
| Option | Cost | RTP | What You Get |
|---|---|---|---|
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% | Directly triggers The Siren's Call free spins bonus round |
Down Below Best RTP | 200x | 96.31% | Directly triggers the Down Below free spins bonus round |
Every spin is 5x more likely to trigger a bonus game
At least 2 Siren symbols guaranteed to land on every spin
Directly triggers The Siren's Call free spins bonus round
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.




