Spadegaming

Hammer of Thunder

Slots Video Slots Mythology Warrior Military Medieval Guns Viking Thunderstorm

Norse cluster slot with cascades and hammer respins

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

96.89%

return to player

Volatility

Medium volatility

variance

Max win

285×

top multiplier

Min bet

$0.20

per spin

Reels

Cluster pays lines

Player rating

4.3 ★

3 votes

DEMO Play free, no signup

Spadegaming

Embed on your site

4.3 / 5

3 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 & RTP9/10

RTP 96.89% → 9.0/10

Volatility8/10

medium → 8.0/10

Win Potential4.9/10

x285.00 (285×) → 4.9/10

Features10/10

15 features → 10.0/10

Game Mechanics8/10

f=15 r=5 p=n/a → 8.0/10

Context signals (tie-breakers)

Layout6/10

5x3 → 6.0/10

Bet Flexibility8/10

0.2–500 (×2500) → 8.0/10

Provider Reputation6.6/10

provider avg 6.6 → 6.6/10

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 — Hammer of Thunder by Spadegaming

https://slotranker.com/spadegaming/hammer-of-thunder#score

How to cite

Slot Summary

A cluster-pay grid that clears winning groups and drops replacement symbols makes repeat resolution the central action in Hammer of Thunder. Spadegaming adds a hammer-linked Respin, Sticky Wild behavior, and Free Spins with a Random Multiplier, keeping the Viking and Thunderstorm themes tied to actions rather than mere decoration. The medium-volatility profile and 96.89% RTP frame a game whose character comes from successive cluster results and feature interruptions.

How It Plays

Each winning cluster disappears through the Cascading mechanic, allowing new symbols to fall into the cleared spaces. One paid spin can therefore resolve through several consecutive symbol drops.

The hammer creates a different interruption. When it appears as a Sticky Wild, it can remain on the grid for a Respin and support another cluster result from the refreshed symbols.

Theme & Atmosphere

Viking and Mythology cues frame the game as a conflict involving Thor and Loki, linking the hammer mechanic to the central figure rather than using it as an unrelated Wild.

Thunderstorm and Warrior themes give the Cascading results a combative rhythm, with repeated symbol clearances reading as successive strikes across the grid.

Mythology Warrior Military Medieval Guns Viking Thunderstorm

Features & Win Potential

Cluster Pays and Cascading handle ordinary wins, while Sticky Wilds and Respins preserve a valuable position between outcomes. These systems create two distinct ways for a result to continue.

Free Spins introduce the Free Spins Multiplier and Random Multiplier features. Scatter symbols control entry, while the multiplier changes the value of qualifying wins inside the round.

Free Spins 6 Reels Scatter Symbol Wild Symbol Cascading Respins Cluster Pays Medium volatility Sticky Wilds 96% RTP Avalanche Colossal Reels Grid Free Spins Multiplier Random multiplier

Bonus & Free Spins

Four or more Scatter symbols trigger Free Spins. The round adds a Random Multiplier, separating its win calculation from the hammer-driven Respin behavior used in regular play.

Spec sheet

Hammer of Thunder at a glance.

Identity

Slot nameHammer of Thunder

StudioSpadegaming

Released5/15/2023

Math

SlotRanker Score72

RTP96.89%

VolatilityMedium volatility

Max win285×

Bet range$0.20 – $500.00

Player rating4.3 / 5 · 3 votes

Format

Reels6

PaylinesCluster pays

Layout6x6

Expected average based on this slot's 96.89% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$2.49

Cost per session$2.49

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 Hammer of Thunder? 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 (96.89%), with wins capped at its top multiplier (285×).

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 Hammer of Thunder

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Compare Hammer of Thunder with other games

	Hammer of Thunder Score 72This game	Odin's Tree Score 78	Thor's Hammer Score 72	Golden Axe Score 71	Last Valkyrie Score 69
Identity
Studio	Spadegaming	GameBeat	Bally Wulff	Belatra Games	Bigpot Gaming
Released	5/15/2023	11/29/2022	11/15/2016	4/23/2024	6/8/2022
Math
RTP	96.89%	96.34%	96.09%	95.34%	96.33%
Volatility	Medium volatility	High volatility	Medium/High	High volatility	Medium volatility
Max win	285×	2,000×	—	10,100×	4,000×
Format
Reels	6	5	5	5	5
Layout	6x6	5x3	5x4	5x3	5x3
Paylines	Cluster pays	20	40	243	20
Min bet	0.2	0.1	0.15	—	0.2
Max bet	500	500	150	—	200
Features
Progressive	—	—	—	—	—
Wild symbol	✓	✓	✓	✓	✓
Free spins	✓	✓	✓	✓	✓
Scatter symbol	✓	✓	✓	✓	✓
Multiplier	—	✓	—	—	—
Bonus game	—	✓	—	—	—
Respins	✓	✓	—	—	—

Every number is shown as a delta against Hammer of Thunder.

Comparing against

Hammer of Thunder

Spadegaming

RTP

96.89%

Max win

285×

Score

+ Multiplier+ Bonus Game

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01How are wins formed in Hammer of Thunder?

The game uses Cluster Pays rather than fixed paylines. Matching symbols form winning groups, then the Cascading system removes them and drops new symbols into the empty positions.

02What does the hammer Wild do?

The hammer acts as a Sticky Wild and can trigger a Respin, keeping its position while the surrounding symbols receive another chance to form clusters.

03How do Free Spins start?

Landing 4 or more Scatter symbols triggers Free Spins. The feature applies a Random Multiplier to increase qualifying results during the bonus round.

04What are the RTP and volatility?

Hammer of Thunder is listed with 96.89% RTP and medium volatility. Its recorded maximum win is x285.00 of the stake.

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