Octoplay

King of 7's

Retro Lucky 7 styling with a crown-upgrade bonus structure

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

95.76%

return to player

Volatility

Low/Medium

variance

Max win

3,993×

top multiplier

Min bet

$0.10

per spin

Reels

5 lines

Player rating

4.2 ★

2 votes

DEMO Play free, no signup

Octoplay

Embed on your site

4.2 / 5

2 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 95.76% → 8.0/10

Volatility6/10

low → 6.0/10

Win Potential7.2/10

x3993.00 (3993×) → 7.2/10

Features9/10

10 features → 9.0/10

Game Mechanics5.5/10

f=10 r=5 p=5 → 5.5/10

Context signals (tie-breakers)

Layout6/10

5x3 → 6.0/10

Bet Flexibility8/10

0.1–250 (×2500) → 8.0/10

Provider Reputation6/10

provider avg 6.0 → 6.0/10

Popularity0/10

synthetic proxy → 0.0/10

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: 62 — King of 7's by Octoplay

https://slotranker.com/octoplay/king-of-7s#score

How to cite

Slot Summary

A five-reel 5x3 grid gives King of 7's a compact retro frame, but Octoplay uses its King, crown, and Lucky 7 imagery to support a staged bonus rather than simple nostalgia. The low to medium volatility profile sits beside a x3993.00 ceiling, while successive crown unlocks add more free spins, a multiplier, expanding symbols, and finally Sticky Wilds.

How It Plays

The base game uses five paylines across a 5x3 layout. Wild Symbols support line wins, while King Wild appearances feed the crown presentation connected to the bonus.

Once Free Spins begin, attention moves above the reels to the locked crowns. Opening them changes the remaining round rather than awarding one isolated prize.

Theme & Atmosphere

King of 7's combines King and Lucky imagery with the Retro language of bells, crowns, and 777 symbols, giving the royal subject a traditional machine-game setting.

The royal figure matters mechanically as well as visually. His appearances connect the King theme to the crown sequence that controls the bonus upgrades.

Retro Lucky 777 King

Features & Win Potential

Free Spins begin with a basic configuration, then Additional Free Spins extend the round as crown stages open. The Multiplier and Expanding Symbols arrive as separate upgrades.

Sticky Wilds represent the final change in Wild behavior. Reaching that stage allows landed Wild Symbols to remain available for the rest of the active Free Spins.

Free Spins Multiplier Scatter Symbol Wild Symbol 5 Reels Bonus Game Sticky Wilds Additional Free Spins Expanding Symbols Bonus Bet

Bonus & Free Spins

The Bonus Game starts from three Scatter Symbols and awards seven Free Spins. Three crowns provide sequential upgrades rather than revealing all modifiers at once.

Bonus Bet offers a more direct route toward the feature, while the standard game leaves the crown sequence dependent on its normal Scatter Symbol trigger.

Spec sheet

King of 7's at a glance.

Identity

Slot nameKing of 7's

StudioOctoplay

Released

Math

SlotRanker Score62

RTP95.76%

VolatilityLow/Medium

Max win3,993×

Bet range$0.10 – $250.00

Player rating4.2 / 5 · 2 votes

Format

Reels5

Paylines5

Layout5x3

Features

Themes

Expected average based on this slot's 95.76% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$1.70

Cost per session$1.70

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 King of 7's? 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-Low

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-Low). The model is calibrated so the average return equals this slot's published RTP (95.76%), with wins capped at its top multiplier (3,993×).

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 King of 7's

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Compare King of 7's with other games

	King of 7's Score 62This game	Seventy Seven Money Bloxx Score 77	Expanding Joker Score 76	Firebolt Multi 7s Hold and Win Score 74	Sevens & Jok3rs Score 71
Identity
Studio	Octoplay	Swintt	Gaming Corps	Kalamba Games	Indigo Magic
Released	—	—	9/4/2024	6/6/2024	10/28/2024
Math
RTP	95.76%	96.09%	96.18%	95%	96.05%
Volatility	Low/Medium	High volatility	Medium volatility	High volatility	Medium volatility
Max win	3,993×	6,000×	2,000×	10,000×	5,000×
Format
Reels	5	5	5	5	5
Layout	5x3	5x3	5x3	5x3	5x3
Paylines	5	10 (Bothway)	243	10	10
Min bet	0.1	0.1	0.1	0.05	0.1
Max bet	250	100	100	100	250
Features
Progressive	—	—	—	—	—
Wild symbol	✓	✓	✓	✓	✓
Free spins	✓	✓	✓	—	✓
Scatter symbol	✓	✓	✓	—	✓
Multiplier	✓	✓	✓	✓	✓
Bonus game	✓	✓	✓	✓	—
Respins	—	✓	—	✓	—

Every number is shown as a delta against King of 7's.

Comparing against

King of 7's

Octoplay

RTP

95.76%

Max win

3,993×

Score

Seventy Seven Money Bloxx

Firebolt Multi 7s Hold and Win

+ Respins− Free Spins− Scatter

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01How do free spins start in King of 7's?

Three Scatter Symbols trigger seven Free Spins. The round can continue through Additional Free Spins awarded when its crown stages are unlocked.

02What do the crowns add to the bonus?

Each crown strengthens the round. The documented upgrades include a x7 Multiplier, Expanding Symbols, Sticky Wilds, and seven Additional Free Spins per unlocked crown.

03What is the maximum win in King of 7's?

The catalog lists a maximum win of x3993.00. Its RTP is 95.76%, and the recorded volatility level is low to medium.

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