Endorphina

Blue Slot

Slots Classic Slots Video Slots Fruit Gems Star Vegas Classic Lucky

Endorphina fruit slot emphasizing RTP, expanding gems, and scatters

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

96.04%

return to player

Volatility

Medium volatility

variance

Max win

2,400×

top multiplier

Min bet

$0.40

per spin

Reels

40 lines

Player rating

3.6 ★

8 votes

DEMO Play free, no signup

Endorphina

Embed on your site

3.6 / 5

8 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 96.04% → 9.0/10

Volatility8/10

medium → 8.0/10

Win Potential6.8/10

x2400.00 (2400×) → 6.8/10

Features4/10

8 features → 4.0/10

Game Mechanics4.2/10

f=8 r=5 p=40 → 4.2/10

Context signals (tie-breakers)

Layout6/10

5x3 → 6.0/10

Bet Flexibility6/10

0.4–100 (×250) → 6.0/10

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: 61 — Blue Slot by Endorphina

https://slotranker.com/endorphina/blue-slot#score

How to cite

Slot Summary

Released on February 28, 2023, Blue Slot places Endorphina's classic fruit format on a six-reel, four-row screen with 40 fixed lines. Its 96.04% RTP is the defining number, while expanding gem symbols and two different scatters supply most of the variation. There is no free-spins round, so the optional Gamble feature becomes the principal decision after a regular payout.

How It Plays

Matching regular symbols pay from the leftmost reel across adjacent positions on fixed lines. Scatter payouts are evaluated independently of that ordinary line-win pattern.

After an eligible payout, the Gamble option creates a separate risk decision. The player can attempt to increase the result or collect it without entering that feature.

Theme & Atmosphere

Classic and Fruit themes carry most of the visual identity, using familiar cherries, lemons, oranges, plums, grapes, watermelons, bells, and sevens rather than narrative characters.

Gems, Lucky, Star, and Vegas references appear through the blue gem, golden stars, and horseshoes, giving the conventional symbol set one consistent presentation direction.

Fruit Gems Star Vegas Classic Lucky

Features & Win Potential

The Expanding Symbols mechanic applies to the blue gem on the middle reels. It covers an entire reel only when the expansion contributes to a valid win.

Two Scatter Symbol designs behave differently: the horseshoe can appear across the full reel set, while the star is restricted to the middle reels. Gamble supplies the post-win risk option.

6 Reels Scatter Symbol Medium volatility Gamble Expanding Symbols 96% RTP Risk/Gamble (Double) game 40 Paylines

Spec sheet

Blue Slot at a glance.

Identity

Slot nameBlue Slot

StudioEndorphina

Released2/28/2023

Math

SlotRanker Score61

RTP96.04%

VolatilityMedium volatility

Max win2,400×

Bet range$0.40 – $100.00

Player rating3.6 / 5 · 8 votes

Format

Reels5

Paylines40

Layout5x3

Features

Themes

Expected average based on this slot's 96.04% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$6.34

Cost per session$6.34

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 Blue Slot? 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 (96.04%), with wins capped at its top multiplier (2,400×).

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 Blue Slot

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 Blue Slot with other games

	Blue Slot Score 61This game	Double Play SuperBet Score 65	Star Joker Score 52	7 & Gems Score 88	777 Super BIG BuildUp Deluxe Score 83
Identity
Studio	Endorphina	NextGen	Play'n Go	Fantasma Games	Crazy Tooth Studio
Released	2/28/2023	5/27/2016	10/6/2018	12/8/2024	7/12/2022
Math
RTP	96.04%	95%	94.23%	96.18%	96.19%
Volatility	Medium volatility	High volatility	Low volatility	Medium/High	High volatility
Max win	2,400×	—	5,000×	10,096×	15,000×
Format
Reels	5	5	5	5	5
Layout	5x3	5x3	5x3	5x3	5x3
Paylines	40	25	10	3600	576
Min bet	0.4	0.25	0.1	0.2	0.15
Max bet	100	250	100	100	30
Features
Progressive	—	—	—	—	—
Wild symbol	—	✓	✓	✓	✓
Free spins	—	✓	✓	✓	✓
Scatter symbol	✓	✓	✓	✓	✓
Multiplier	—	✓	—	✓	✓
Bonus game	—	—	—	✓	—
Respins	—	—	—	✓	—

Every number is shown as a delta against Blue Slot.

Comparing against

Blue Slot

Endorphina

RTP

96.04%

Max win

2,400×

Score

+ Wild+ Free Spins+ Multiplier

+ Wild+ Free Spins+ Multiplier+ Bonus Game+ Respins

777 Super BIG BuildUp Deluxe

+ Wild+ Free Spins+ Multiplier

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