Croco Gaming

Symbiote

Science-fantasy slot about a spreading organism across the reels

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

97.31%

return to player

Volatility

High volatility

variance

Max win

5,000×

top multiplier

Min bet

$0.20

per spin

Reels

10 lines

Player rating

4.3 ★

14 votes

DEMO Play free, no signup

Croco Gaming

Embed on your site

4.3 / 5

14 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 97.31% → 10.0/10

Volatility9/10

high → 9.0/10

Win Potential7.4/10

x5000.00 (5000×) → 7.4/10

Features8.5/10

10 features → 8.5/10

Game Mechanics5.9/10

f=10 r=5 p=10 → 5.9/10

Context signals (tie-breakers)

Layout5/10

5x5 → 5.0/10

Bet Flexibility6/10

0.2–100 (×500) → 6.0/10

Provider Reputation7.4/10

provider avg 7.4 → 7.4/10

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: 77 — Symbiote by Croco Gaming

https://slotranker.com/croco-gaming/symbiote#score

How to cite

Slot Summary

Five reels across five rows form a field that Symbiote can gradually occupy through Sticky Wild symbols and Respins. Croco Gaming gives those symbols lateral movement, shifting them one reel left after each repeat until none remain. The 97.31% RTP, high-volatility profile, and x5000 ceiling support a mechanic-first Science and Fantasy slot, while the Bonus Game converts a random symbol into an expanding pay-anywhere form.

How It Plays

A standard paid spin uses 10 paylines across the 5x5 field. When a Spawn symbol appears, it remains present and initiates another evaluation through Respins.

Every active Spawn shifts one reel left after a Respin. The repeat sequence continues until no Spawn symbols remain, giving their movement a visible endpoint rather than a fixed spin count.

Theme & Atmosphere

Science and Fantasy meet in the idea of a spreading Symbiote that consumes new hosts across the field. Its movement turns biological takeover into the organizing visual concept.

The presentation treats mutation as transformation rather than mere decoration. Ordinary symbols can change role during the Bonus Game, connecting the Science premise directly to how the reel field behaves.

Fantasy Science

Features & Win Potential

Sticky Wilds supply the base-game movement: they remain through Respins and shift left after each repeat. Their persistence changes which paylines receive substitution on the next evaluation.

During the Bonus Game, one symbol becomes an Expanding Symbol and pays regardless of its position. Filling all five reels with that selected symbol creates the strongest version of the mechanic.

Free Spins Scatter Symbol Wild Symbol Respins Bonus Game Sticky Wilds Additional Free Spins Expanding Symbols Bonus symbols Substitution Symbols

Bonus & Free Spins

The Bonus Game randomly selects one regular symbol for expansion. Every appearance can contribute regardless of position, and landing it across all five reels completes the mutation pattern.

Spec sheet

Symbiote at a glance.

Identity

Slot nameSymbiote

StudioCroco Gaming

Released7/14/2025

Math

SlotRanker Score77

RTP97.31%

VolatilityHigh volatility

Max win5,000×

Bet range$0.20 – $100.00

Player rating4.3 / 5 · 14 votes

Format

Reels5

Paylines10

Layout5x3

Features

Themes

Expected average based on this slot's 97.31% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$2.15

Cost per session$2.15

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 Symbiote? 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 (97.31%), 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 Symbiote

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Compare Symbiote with other games

	Symbiote Score 77This game	Professor Lightning Score 84	Alive Megaways Score 83	Magic Lab Score 80	Fury of Hyde Megaways Score 79
Identity
Studio	Croco Gaming	Massive Studios	Skywind Group	NetEnt	Jelly
Released	7/14/2025	6/3/2026	8/16/2021	3/21/2024	2/8/2023
Math
RTP	97.31%	96.53%	96.47%	96.06%	96%
Volatility	High volatility	High volatility	High volatility	Medium/High	High volatility
Max win	5,000×	20,000×	10,000×	5,999×	10,000×
Format
Reels	5	6	6	6	6
Layout	5x3	6x6	6x7	6x5	6x7
Paylines	10	—	200704	Pay Anywhere	117649
Min bet	0.2	0.1	0.2	0.1	0.2
Max bet	100	35	20	10	20
Features
Progressive	—	—	—	—	—
Wild symbol	✓	✓	✓	✓	✓
Free spins	✓	✓	✓	✓	✓
Scatter symbol	✓	✓	✓	✓	✓
Multiplier	—	✓	✓	✓	✓
Bonus game	✓	—	—	—	—
Respins	✓	—	—	—	—

Every number is shown as a delta against Symbiote.

Comparing against

Symbiote

Croco Gaming

RTP

97.31%

Max win

5,000×

Score

+ Multiplier− Bonus Game− Respins

+ Multiplier− Bonus Game− Respins

+ Multiplier− Bonus Game− Respins

Fury of Hyde Megaways

+ Multiplier− Bonus Game− Respins

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