Felt Gaming

Blackjack 21+3

Classic blackjack paired with an optional poker side bet

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

99.63%

return to player

Volatility

—

variance

Max win

—

top multiplier

Min bet

$0.10

per spin

Reels

—

Unknown lines

Player rating

4.2 ★

1 votes

DEMO Play free, no signup

Felt Gaming

Embed on your site

4.2 / 5

1 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 99.63% → 10.0/10

Volatilityn/a

not applicable

Win Potentialn/a

not applicable

Featuresn/a

not applicable

Game Mechanicsn/a

not applicable

Context signals (tie-breakers)

Layoutn/a

not applicable

Bet Flexibility8/10

0.1–500 (×5000) → 8.0/10

Provider Reputation7.4/10

provider avg 7.4 → 7.4/10

Popularity3.3/10

synthetic proxy → 3.3/10

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: 82 — Blackjack 21+3 by Felt Gaming

https://slotranker.com/felt-gaming/blackjack-213#score

How to cite

Slot Summary

Blackjack 21+3 combines a standard hand against the dealer with an optional poker-derived side bet. That wager reads the player’s first two cards together with the dealer’s face-up card as a three-card poker hand, adding a separate result without replacing the underlying blackjack game. Felt Gaming places the title within its broader collection of classic table games and named side bets, using land-based casino references, modern interfaces, and support for either single-hand or multi-hand play.

Spec sheet

Blackjack 21+3 at a glance.

Identity

Slot nameBlackjack 21+3

StudioFelt Gaming

Released5/25/2018

Math

SlotRanker Score82

RTP99.63%

Max win—

Bet range$0.10 – $500.00

Player rating4.2 / 5 · 1 votes

Format

Reels—

PaylinesUnknown

Layout—

Features

Themes

Expected average based on this slot's 99.63% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$0.15

Cost per session$0.15

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 Blackjack 21+3? 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: Mediumassumed — not published for this slot

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 (99.63%), with wins capped at its top multiplier (1,000×).

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 Blackjack 21+3

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Compare Blackjack 21+3 with other games

	Blackjack 21+3 Score 82This game	Black Jack Score 85	European Blackjack MH Score 84	Premier Blackjack with Lucky Lucky Score 84	Back Blackjack Score 82
Identity
Studio	Felt Gaming	Wazdan	Play'n Go	Switch Studios	Golden Rock Studios
Released	5/25/2018	11/28/2017	2/1/2015	11/25/2021	7/28/2021
Math
RTP	99.63%	99.9%	99.37%	99.57%	97.14%
Volatility	—	—	High volatility	Low volatility	Low volatility
Max win	—	—	—	24,125×	264×

Every number is shown as a delta against Blackjack 21+3.

Comparing against

Blackjack 21+3

Felt Gaming

RTP

99.63%

Max win

—

Score

European Blackjack MH

Premier Blackjack with Lucky Lucky

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