Octoplay

Doom’s Digging Machine

Slots Video Slots Gems Steam punk Digger Treasure Cartoon Sci fi Underground

Industrial excavation expressed through artifact discoveries and gem wins

SlotRanker Score

/ 99

05099

The SlotRanker Score is calculated from the visible data below. It is not affected by affiliate deals, and it cannot be bought.

How this score is built

RTP

95.7%

return to player

Volatility

Medium volatility

variance

Max win

5,000×

top multiplier

Min bet

$0.10

per spin

Reels

0 lines

Player rating

3.9 ★

4 votes

DEMO Play free, no signup

Octoplay

Embed on your site

3.9 / 5

4 ratings

User ratings are shown separately from the Slot Score unless stated otherwise.

Five weighted signals shape the composite. Four context signals refine ties. See how we rate for the full methodology.

Payouts & RTP8/10

RTP 95.7% → 8.0/10

Volatility8/10

medium → 8.0/10

Win Potential7.4/10

x5000.00 (5000×) → 7.4/10

Features10/10

19 features → 10.0/10

Game Mechanics8.6/10

f=19 r=6 p=n/a → 8.6/10

Context signals (tie-breakers)

Layout5/10

6x5 → 5.0/10

Bet Flexibility8/10

0.1–200 (×2000) → 8.0/10

Provider Reputation6/10

provider avg 6.0 → 6.0/10

Popularity2.5/10

synthetic proxy → 2.5/10

Popularity blends real player search demand (~30 markets) with a catalogue-derived proxy; games without measurable search demand use the proxy alone. Not live play telemetry.

Cite this score

SlotRanker Score: 72 — Doom’s Digging Machine by Octoplay

https://slotranker.com/octoplay/dooms-digging-machine#score

How to cite

Slot Summary

Gem collecting gets an industrial edge in Doom’s Digging Machine, an Octoplay slot that pairs underground excavation with pay-anywhere wins. Its mystery artifacts connect the treasure hunt to the payout system: discoveries carry matching symbols and multiplier value. That connection gives the digging premise a function beyond decorating another gem board.

How It Plays

Matching symbols are counted across the whole board. After a payout, the winning symbols disappear, remaining symbols fall, and replacements fill the gaps for another evaluation within the same spin.

The cascade sequence makes symbol quantity the immediate focus. A new drop can supply another paying group without requiring a fresh paid spin or a line running across adjacent reels.

Features & Win Potential

Mystery artifacts arrive as blocks containing identical symbols. A 2x2 artifact adds a 3x multiplier, while a 3x3 artifact adds 5x; multiple artifact multipliers are added together.

The global multiplier can reach 100x, but the game has a separate maximum payout of 5,000x the stake. Reaching that payout limit ends the feature rather than allowing further awards.

Free Spins Multiplier Scatter Symbol Wild Symbol Cascading Cluster Pays Medium volatility 5 Reels Mystery Symbols Low volatility Low/Medium Bonus Buy Additional Free Spins Avalanche Pay Anywhere Bonus Bet Free Spins Multiplier Random multiplier Mystery symbol

Bonus & Free Spins

Three scatters award 10 free spins. Additional scatters during the feature award more spins and increase the global multiplier by the same amount, tying the extension directly to the value of later winning combinations.

Spec sheet

Doom’s Digging Machine at a glance.

Identity

Slot nameDoom’s Digging Machine

StudioOctoplay

Released6/17/2024

Math

SlotRanker Score72

RTP95.7%

VolatilityMedium volatility

Max win5,000×

Bet range$0.10 – $200.00

Player rating3.9 / 5 · 4 votes

Format

Reels6

Paylines0

Layout6x5

Expected average based on this slot's 95.7% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$1.72

Cost per session$1.72

Estimate only, for entertainment purposes — treat gambling as entertainment, not a way to make money, and set a budget you can afford to lose.

How long could a bankroll last on Doom’s Digging Machine? We simulate thousands of sessions from this game's published RTP and volatility — the long-run math, not a prediction of your next spin.

Bankroll ($)Bet per spin ($)Speed

Volatility tier: Medium

Running simulation…

How this works

Each simulated spin either misses or returns a win drawn from a log-normal distribution, with the hit rate and spread set by the slot's volatility tier (Medium). The model is calibrated so the average return equals this slot's published RTP (95.70%), with wins capped at its top multiplier (5,000×).

This is a simplified, parametric model of the game's math — not its real paytable. It exists to make the house edge visible over many sessions, so the numbers above are averages across thousands of runs, never a forecast of one.

This is math, not a prediction. Real sessions vary wildly, and no strategy changes a game's built-in house edge. Play for fun, set limits, and never bet more than you can afford to lose.

Where to play Doom’s Digging Machine

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Compare Doom’s Digging Machine with other games

	Doom’s Digging Machine Score 72This game	Gem Elevator Score 78	Rolling in Gold Score 79	Miners Matter Score 77	Glow Dig Score 73
Identity
Studio	Octoplay	Pragmatic Play	Blueprint Gaming	RAW iGaming	Max Win Gaming
Released	6/17/2024	8/12/2024	3/4/2021	9/12/2024	8/21/2024
Math
RTP	95.7%	96.53%	96.46%	95.57%	96.04%
Volatility	Medium volatility	High volatility	High volatility	Medium/High	High volatility
Max win	5,000×	10,000×	50,000×	7,265×	5,000×
Format
Reels	6	6	5	7	5
Layout	6x5	6x5	5x3	7x7	5x4
Paylines	0	0	2304	Cluster Pays	20
Min bet	0.1	0.2	0.1	0.2	0.1
Max bet	200	5	10	30	100
Features
Progressive	—	—	—	—	—
Wild symbol	✓	✓	✓	—	✓
Free spins	✓	✓	—	✓	✓
Scatter symbol	✓	✓	✓	✓	✓
Multiplier	✓	—	✓	✓	—
Bonus game	—	—	✓	✓	—
Respins	—	—	✓	✓	—

Every number is shown as a delta against Doom’s Digging Machine.

Comparing against

Doom’s Digging Machine

Octoplay

RTP

95.7%

Max win

5,000×

Score

+ Bonus Game+ Respins− Free Spins

+ Bonus Game+ Respins− Wild

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