Yggdrasil Gaming

Champion of the Underworld

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Play Champion of the Underworld slot by Yggdrasil Gaming for free in demo mode! Explore RTP, bonus rounds, and key features before playing for real.

Only 0.01% of slots combine Battle and Gigablox.

SlotRanker Score

/ 99

05099

The SlotRanker Score is calculated from the visible data below. It is not affected by affiliate deals or paid placement.

How this score is built

RTP

94%

return to player

Volatility

High volatility

variance

Max win

10,000×

top multiplier

Min bet

$0.20

per spin

Reels

4096 lines

Player rating

4.5 ★

17 votes

DEMO Play free, no signup

Yggdrasil Gaming

Embed on your site

4.5 / 5

17 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 & RTP6/10

RTP 94% → 6.0/10

Volatility9/10

high → 9.0/10

Win Potential8/10

x10000.00 (10000×) → 8.0/10

Features10/10

17 features → 10.0/10

Game Mechanics7.4/10

f=17 r=6 p=4096 → 7.4/10

Context signals (tie-breakers)

Layout5/10

6x4 → 5.0/10

Bet Flexibility6/10

0.2–100 (×500) → 6.0/10

Provider Reputation6.9/10

provider avg 6.9 → 6.9/10

Popularity5/10

synthetic proxy → 5.0/10

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: 71 — Champion of the Underworld by Yggdrasil Gaming

https://slotranker.com/yggdrasil-gaming/champion-of-the-underworld#score

How to cite

Spec sheet

Champion of the Underworld at a glance.

Identity

Slot nameChampion of the Underworld

StudioYggdrasil Gaming

Released9/29/2022

Math

SlotRanker Score71

RTP94%

VolatilityHigh volatility

Max win10,000×

Bet range$0.20 – $100.00

Player rating4.5 / 5 · 17 votes

Format

Reels6

Paylines4096

Layout6x4

Expected average based on this slot's 94% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$4.80

Cost per session$4.80

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 Champion of the 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 (94.00%), with wins capped at its top multiplier (10,000×).

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.

Compare Champion of the Underworld with other games

	Champion of the Underworld Score 71This game	Serpentina Score 91	Piggy Bjorn 2 Winter is Coming Score 87	Trolling 1000 Score 82	Garden Gladiators Score 82
Identity
Studio	Yggdrasil Gaming	Massive Studios	GameArt	Pragmatic Play	StakeLogic
Released	9/29/2022	3/20/2025	12/20/2022	8/13/2024	3/19/2025
Math
RTP	94%	96.53%	96.91%	96.53%	96.01%
Volatility	High volatility	High volatility	High volatility	High volatility	High volatility
Max win	10,000×	30,000×	80,000×	25,000×	10,000×
Format
Reels	6	7	5	7	5
Layout	6x4	7x7	5x4	7x7	5x3
Paylines	4096	—	50	0	4096
Min bet	0.20	0.10	0.50	0.20	0.20
Max bet	100.00	100.00	100.00	240.00	20.00
Features
Progressive	—	—	—	—	—
Wild symbol	✓	✓	✓	—	—
Free spins	✓	✓	—	✓	✓
Scatter symbol	✓	✓	✓	✓	✓
Multiplier	✓	✓	✓	✓	✓
Bonus game	—	—	✓	—	✓
Respins	—	—	—	—	—

Every number is shown as a delta against Champion of the Underworld.

Comparing against

Champion of the Underworld

Yggdrasil Gaming

RTP

94%

Max win

10,000×

Score

Piggy Bjorn 2 Winter is Coming

+ Bonus Game− Free Spins

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