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21+3 Blackjack

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⚡ Quick answer

21+3 Blackjack by Felt is a slot with a 98.76% RTP and a max win of 100×. On return-to-player this is an excellent figure. It plays with crypto on Stake; RTP is a long-term average, not a guarantee.

98.76%RTP100×Max winFeltProvider
21+3 Blackjack is a medium-volatility card game by Felt with 98.76% RTP and up to 100× max win. Key features: base mechanics.
ProviderFelt
RTP98.76%
Max win (×)100
Released25.10.2018

21+3 Blackjack — analytics

Live from our slot database
Slot RTP
98.76% Excellent
90%96% base99%
This slot98.76%
Provider avg97.52%
Database avg95.26%
96% baseline96%
Win potential
100×
10×1000×100k×

About 21+3 Blackjack

21+3 Blackjack by Felt is a slot playable with cryptocurrency on Stake. Its stated RTP is 98.76% — above the 96% industry average, which is favourable for players over the long run. Remember that RTP is a statistical average over thousands of spins, not a guarantee for any single session.

The maximum potential is 100× your stake. This is the payout ceiling, reached very rarely and usually only via the top bonus feature; treat it as a limit, not an expectation.

Before playing for real money, try 21+3 Blackjack in demo mode to learn the bonus frequency and behaviour risk-free — the demo math is identical to real play. Gamble responsibly, within a pre-set budget. 18+.

21+3 Blackjack
HIGH RTP
98.76%
Max win100×
ProviderFelt
Data-driven from provider specs · RTP is a long-term average
Rate 21+3 Blackjack—

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Everything about 21+3 Blackjack

Detailed pages for this slot
RTPMax winVolatilityDemoReviewStrategyPayoutBonus buyFree spinsFeaturesThemeBet limitsReelsReleaseWorth it?How to playMobileReal moneyBonusAlternativesSymbolsJackpotMultipliersAutoplayBig winProvably fairGameplayNo downloadMegawaysHit rateScatterWild

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FAQ — 21+3 Blackjack

What is the RTP of 21+3 Blackjack?
21+3 Blackjack has an RTP of 98.76%. This is above the industry average. RTP is a long-term theoretical return, not a guarantee for any session.
What is the max win on 21+3 Blackjack?
The maximum win on 21+3 Blackjack is 100× your stake. It is reached very rarely, usually via the top bonus feature.
Is 21+3 Blackjack provably fair?
21+3 Blackjack is a third-party slot by Felt using a certified, audited RNG rather than Stake's provably-fair system (which applies to Originals). Results are random and unpredictable.
Can I play 21+3 Blackjack for free?
Yes, 21+3 Blackjack is available in demo mode to learn the mechanics risk-free. The demo math is identical to real play, but results do not carry over.
Who makes 21+3 Blackjack?
21+3 Blackjack is developed by Felt, whose games are available on Stake. Find more Felt titles in the providers section.
How do I play 21+3 Blackjack on Stake?
Sign up, deposit cryptocurrency (BTC, ETH, USDT and more), find 21+3 Blackjack in the slots catalogue and launch it. Set a session limit in advance.
Does 21+3 Blackjack have free spins?
21+3 Blackjack does not list a standard free spins round — check the in-game paytable for its main bonus.
Is 21+3 Blackjack worth playing?
It comes down to your taste for its volatility and theme. RTP and features are the objective facts; the rest is preference. No slot is profitable long-term — play for entertainment within a budget.
Can I play 21+3 Blackjack with crypto?
Yes, 21+3 Blackjack is played with cryptocurrency (Bitcoin, Ethereum, Litecoin, USDT and more) on Stake, in your coin's value equivalent.
What slots are similar to 21+3 Blackjack?
Slots similar to 21+3 Blackjack share its volatility profile and provider Felt. Start with the related slots listed on this page.
Is 21+3 Blackjack rigged or fair?
21+3 Blackjack runs on a certified RNG that passes independent audits. Outcomes are random; there are no 'hot' or 'cold' states.
How often does 21+3 Blackjack pay?
Hit frequency depends on volatility: see the paytable. This does not change overall RTP.
Can I play 21+3 Blackjack on mobile?
Yes, 21+3 Blackjack runs directly in the phone browser on Android and iOS — a separate app is usually not required.
What is the minimum bet on 21+3 Blackjack?
21+3 Blackjack accepts bets from 0.10 per spin.
Where can I play 21+3 Blackjack for real money?
21+3 Blackjack is available to play with cryptocurrency on Stake. Deposit and play responsibly. 18+.

18+ · Geo-restrictions apply. Stake.com is not available in all jurisdictions.

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