Platipus Gaming

Extra Gems

Slots Video Slots Fantasy Aztec Gems Treasure

High-volatility Aztec cascade slot with splitting gems and persistent multipliers

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%

return to player

Volatility

High volatility

variance

Max win

5,005×

top multiplier

Min bet

$0.20

per spin

Reels

21609 lines

Player rating

4.2 ★

20 votes

DEMO Play free, no signup

Platipus Gaming

Embed on your site

4.2 / 5

20 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% → 8.0/10

Volatility9/10

high → 9.0/10

Win Potential7.4/10

x5005.00 (5005×) → 7.4/10

Features10/10

15 features → 10.0/10

Game Mechanics9.1/10

f=15 r=6 p=21609 → 9.1/10

Context signals (tie-breakers)

Layout5/10

6x3 → 5.0/10

Bet Flexibility4/10

0.2–20 (×100) → 4.0/10

Provider Reputation6.3/10

provider avg 6.3 → 6.3/10

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: 76 — Extra Gems by Platipus Gaming

https://slotranker.com/platipus-gaming/extra-gems#score

How to cite

Slot Summary

Tenochtitlan and its sacred Aztec caves provide the subject for Extra Gems, but the mathematical profile is less forgiving than the treasure hunt suggests. Platipus Gaming lists high volatility, while the published RTP is 95% and the maximum win is x5005. Cascades increase a win multiplier, and a separate overhead reel can split matching gems below it, concentrating the game's identity in chained transformations rather than static paylines.

How It Plays

Wins remove their contributing symbols and allow new gems to cascade into the open spaces. Consecutive winning drops increase the multiplier applied to the sequence.

A separate horizontal reel influences the six vertical reels. Matching symbols can split the gems beneath them, increasing the number of matching positions in play.

Theme & Atmosphere

The Aztec subject centers on Tenochtitlan, sacred caves, gems, and hidden Treasure. Quetzalcoatl appears as the god associated with wind and rain.

Fantasy enters through shamans, sacred trees, and the transforming gems, but the named historical place keeps the setting more specific than a generic temple hunt.

Fantasy Aztec Gems Treasure

Features & Win Potential

Quetzalcoatl can appear as a Wild on the horizontal reel. When present, it splits every eligible symbol on the vertical reel directly beneath it.

Scatter symbols can land anywhere and remain in place during Cascading sequences. Their persistence separates them from ordinary gems, which disappear after contributing to wins.

High volatility Free Spins 6 Reels Multiplier Scatter Symbol Wild Symbol Cascading Megaways Bonus Buy Multiway (+1024)Additional Free Spins Avalanche Gonzo mechanic Free Spins Multiplier Splitting Symbols

Bonus & Free Spins

Landing between three and six Scatter symbols awards up to twenty-seven free spins. Additional free spins remain possible while that round continues.

During free spins, the win Multiplier persists between completed Cascading sequences instead of resetting. Bonus Buy also provides direct entry to the feature.

Spec sheet

Extra Gems at a glance.

Identity

Slot nameExtra Gems

StudioPlatipus Gaming

Released9/30/2022

Math

SlotRanker Score76

RTP95%

VolatilityHigh volatility

Max win5,005×

Bet range$0.20 – $20.00

Player rating4.2 / 5 · 20 votes

Format

Reels6

Paylines21609

Layout6x3

Features

Themes

Expected average based on this slot's 95% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$4.00

Cost per session$4.00

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 Extra Gems? 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 (95.00%), with wins capped at its top multiplier (5,005×).

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 Extra Gems

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Compare Extra Gems with other games

	Extra Gems Score 76This game	Crystal Quest Deep Jungle Score 83	Lost Realm Score 72	Gods of Gold Infinireels Score 68	Ultra Cluster Kingdom Score 86
Identity
Studio	Platipus Gaming	Thunderkick	KA Gaming	NetEnt	GameArt
Released	9/30/2022	10/2/2020	1/20/2018	5/14/2020	9/24/2024
Math
RTP	95%	96.14%	96.01%	96.21%	96.22%
Volatility	High volatility	High volatility	High volatility	High volatility	High volatility
Max win	5,005×	15,000×	—	5,000×	5,000×
Format
Reels	6	6	5	3	8
Layout	6x3	6x4	5x3	3x3	8x8
Paylines	21609	4096	30	27	Cluster Pays
Min bet	0.2	0.1	0.01	0.2	0.2
Max bet	20	100	1200	20	200
Features
Progressive	—	—	—	—	—
Wild symbol	✓	✓	✓	✓	—
Free spins	✓	✓	✓	✓	✓
Scatter symbol	✓	✓	✓	✓	✓
Multiplier	✓	✓	—	—	—
Bonus game	—	—	—	—	✓
Respins	—	—	—	✓	—

Every number is shown as a delta against Extra Gems.

Comparing against

Extra Gems

Platipus Gaming

RTP

95%

Max win

5,005×

Score

Crystal Quest Deep Jungle

Gods of Gold Infinireels

+ Respins− Multiplier

Ultra Cluster Kingdom

+ Bonus Game− Wild− Multiplier

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