Pragmatic Play

Thunder vs Underworld

Slots Video Slots Fantasy Action & Adventure Mythology Underworld Fire Animals Treasure Guns Tiger Demon

Dual-mode mythology slot with player-selected volatility

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

98.04%

return to player

Volatility

High volatility

variance

Max win

15,000×

top multiplier

Min bet

$0.10

per spin

Reels

15 lines

Player rating

4.8 ★

18 votes

DEMO Play free, no signup

Pragmatic Play

Embed on your site

4.8 / 5

18 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 & RTP10/10

RTP 98.04% → 10.0/10

Volatility9/10

high → 9.0/10

Win Potential8.4/10

x15000.00 (15000×) → 8.4/10

Features7/10

9 features → 7.0/10

Game Mechanics5.3/10

f=9 r=5 p=15 → 5.3/10

Context signals (tie-breakers)

Layout6/10

5x3 → 6.0/10

Bet Flexibility6/10

0.1–100 (×1000) → 6.0/10

Provider Reputation7.2/10

provider avg 7.2 → 7.2/10

Popularity5.3/10

search demand p32 + proxy blend (70/30) → 5.3/10

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: 76 — Thunder vs Underworld by Pragmatic Play

https://slotranker.com/pragmatic-play/thunder-vs-underworld#score

How to cite

Slot Summary

Choosing the volatility before a spin creates two risk paths, then expanding multiplier Wilds supply the route toward Thunder vs Underworld's 15,000x ceiling. Pragmatic Play ties that choice to opposing Greek Mythology settings, letting the player move between Thunder and Underworld modes rather than accepting one fixed profile. The 98.04% listed RTP is unusually prominent, but the game's identity rests on high-variance Wild growth and persistence during Free Spins.

How It Plays

Thunder and Underworld operate as selectable modes with different volatility settings. The choice is available between spins, so the risk profile is not permanently fixed.

Wins use 15 paylines, while the main feature interest comes from Wild behavior rather than unusual win evaluation. Bonus Buy offers a direct alternative to natural triggering.

Theme & Atmosphere

Thunder represents the Olympus side of the Mythology conflict, while Demon, Fire, and Underworld imagery define the opposing mode and its darker presentation.

Action and Adventure cues come from the confrontation itself. Animals, Guns, Tiger, and Treasure motifs broaden the spectacle beyond a formal retelling of Greek myth.

Fantasy Action & Adventure Mythology Underworld Fire Animals Treasure Guns Tiger Demon

Features & Win Potential

Expanding Wilds can cover their reels and carry multipliers reaching x100. Their combination of extra coverage and multiplied value creates the main route toward the maximum.

The selectable volatility modes change the risk level without replacing the core Expanding Symbols and Wild Multipliers. Both sides therefore use the same central feature language.

High volatility Free Spins Multiplier Scatter Symbol Wild Symbol Wild Multipliers Bonus Buy Expanding Symbols Free Spins Multiplier

Bonus & Free Spins

Free Spins retain expanded multiplier Wilds on the grid, allowing their positions and values to influence later spins instead of clearing immediately after one result.

A Bonus Buy provides direct entry to Free Spins where available. The round's value depends on expanding Wild coverage, persistent positions, and the multipliers attached to them.

Screenshots

3 gameplay frames

Gameplay screenshot of Thunder vs Underworld (1 of 3)

Gameplay screenshot of Thunder vs Underworld (2 of 3)

Gameplay screenshot of Thunder vs Underworld (3 of 3)

Spec sheet

Thunder vs Underworld at a glance.

Identity

Slot nameThunder vs Underworld

StudioPragmatic Play

Released10/15/2024

Math

SlotRanker Score76

RTP98.04%

VolatilityHigh volatility

Max win15,000×

Bet range$0.10 – $100.00

Player rating4.8 / 5 · 18 votes

Format

Reels5

Paylines15

Layout5x3

Features

Themes

This game is searched most in Argentina, Austria, and Australia.

Expected average based on this slot's 98.04% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$0.78

Cost per session$0.78

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 Thunder vs Underworld? 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: High

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 (High). The model is calibrated so the average return equals this slot's published RTP (98.04%), with wins capped at its top multiplier (15,000×).

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 Thunder vs Underworld

No matching casinos for your region yet

Casino availability depends on where you play from. We only show casinos that accept players from your country.

Compare Thunder vs Underworld with other games

	Thunder vs Underworld Score 76This game	Devil Fire 2 Score 80	Hades Lost Treasures Score 84	Golden Pride Score 79	Enchanted Genie Power Combo Score 77
Identity
Studio	Pragmatic Play	Tada Gaming	Gold Coin Studios	BGaming	Infinity Dragon Studios
Released	10/15/2024	4/19/2024	4/8/2024	11/20/2024	3/17/2025
Math
RTP	98.04%	97.16%	96.23%	96%	96.08%
Volatility	High volatility	High volatility	High volatility	Medium/High	Medium volatility
Max win	15,000×	14,000×	10,000×	15,360×	8,300×
Format
Reels	5	5	5	5	5
Layout	5x3	5x3	5x5	5x3	5x3
Paylines	15	40	3125	243	40
Min bet	0.1	0.1	0.2	0.2	0.2
Max bet	100	100	25	16	30
Features
Progressive	—	—	—	—	—
Wild symbol	✓	✓	—	✓	✓
Free spins	✓	✓	✓	—	—
Scatter symbol	✓	✓	✓	—	—
Multiplier	✓	—	✓	✓	✓
Bonus game	—	—	✓	✓	✓
Respins	—	—	—	✓	✓

Every number is shown as a delta against Thunder vs Underworld.

Comparing against

Thunder vs Underworld

Pragmatic Play

RTP

98.04%

Max win

15,000×

Score

+ Bonus Game+ Respins− Free Spins− Scatter

Enchanted Genie Power Combo

Infinity Dragon Studios

+ Bonus Game+ Respins− Free Spins− Scatter

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