Twenty One + Three (21+3) Blackjack (FELT Studio) Free

Felt gaming software provider is known for their goodwill when it comes to making exciting online gambling software such as slot games, roulette, twenty-one, etc.

21+3 Blackjack mobile game is one of such exciting games, and it comes with an American style twenty-one game, and it is compatible with Android phone, tablets, and other smartphones.

In this game review article, expect to see tips on how to play 21+3 Blackjack for free and for real money (both the basic bet and the side bet) modes.

Twenty One + Three (21+3) Blackjack (FELT) Features Overview

TypeMultihand Blackjack

SoftwareFelt Gaming

Maximum win50,000 credits

Release date13 September 2014

RTP98.76%

MobilePortrait Screen Layout

Side BetsSuited Trips, Straight Flush, Three of a kind, Straight, Flush

Min. Bet0.10 credits

Max. Bet500.00 credits

Blackjack Payout3:2

Played with6 Decks of Cards

Dealer RuleStands on soft 17

MultihandUp to 3 boxes

Top Casinos Where to Play Twenty One + Three (21+3) Blackjack (FELT) for Real Money in Canada

Checked September 2026 · offers in Canadian dollars

FilterC$4,000+ packageCrypto cashier200+ free spins

1. 1
   Editor's pickBetum

   Sportsbook too
   Welcome bonus300% up to C$4,500+ 300 free spins
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   Bonus terms & cashier

   Payments

   Visa, Mastercard, Apple Pay, Google Pay

   Licence

   Anjouan ALSI-202603026-FI1 (Pulsiora Ltd)

2. 2
   Zotabet

   Interac
   Welcome bonus100% up to C$10,000+ 100 free spins
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   Bonus terms & cashier

   Wagering

   40x

   Min. deposit

   C$30

   Payments

   Interac, iDebit, Neosurf, MiFinity

   Online since

   2022

3. 3
   N1Bet
   Welcome package300% up to C$10,000+ 200 free spins on the first four deposits
   Get bonus19+ · T&Cs apply
   Bonus terms & cashier

   Wagering

   50x

   Min. deposit

   C$30

   Online since

   2021

4. 4
   National

   Kahnawake licenceInterac
   Welcome bonus100% up to C$1,500+ 150 free spins
   Get bonus19+ · T&Cs apply
   Bonus terms & cashier

   Wagering

   40x

   Min. deposit

   C$25

   Payments

   Interac, Neosurf, MuchBetter, Jeton

   Licence

   Офшорная лицензия

   Online since

   2020

5. 5
   SlotLounge

   Interac
   Welcome bonus100% up to C$3,000+ 200 free spins
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   Bonus terms & cashier

   Wagering

   40x

   Min. deposit

   C$30

   Payments

   Interac, Neosurf, Paysafecard, Skrill

   Online since

   2025

6. 6
   PowBet

   InteracSportsbook too
   Welcome bonus300% up to C$4,500+ 300 free spins
   Get bonus19+ · T&Cs apply
   Bonus terms & cashier

   Wagering

   35x (40x on free spins)

   Min. deposit

   C$30

   Payments

   Interac, Neosurf, MuchBetter, MiFinity

   Online since

   2020

7. 7
   Casinoly

   InteracSportsbook too
   Welcome bonus300% up to C$4,500+ 300 free spins
   Get bonus19+ · T&Cs apply
   Bonus terms & cashier

   Wagering

   35x (40x on free spins)

   Min. deposit

   C$30

   Payments

   Interac, Neosurf, crypto

   Online since

   2021

8. 8
   Bizzo

   Kahnawake licenceInterac
   Welcome bonus125% up to C$7,250+ 175 free spins
   Get bonus19+ · T&Cs apply
   Bonus terms & cashier

   Wagering

   40x

   Min. deposit

   C$25

   Payments

   Interac, iDebit, Instadebit, Flexepin

   Licence

   Офшорная лицензия

   Online since

   2021

9. 9
   PlayOJO

   Registered in OntarioInterac
   Welcome bonus50 wager-free spins on first deposit
   Get bonus19+ · T&Cs apply
   Bonus terms & cashier

   Wagering

   0x (no wagering)

   Min. deposit

   C$10

   Payments

   Interac, MuchBetter, ecoPayz, crypto

   Licence

   AGCO / iGaming Ontario — оператор Skill On Net Ltd.

   Online since

   2018

Show all 9 casinos

Offers are for new players outside Ontario, where bonus advertising is not permitted. 19+ (18+ in Alberta, Manitoba and Quebec). Terms apply at each casino. FindCasinos may earn a commission when you sign up through these links; it does not change the offers shown.

On this page

1. Now Let Us Deal Some Cards
2. Rules and Other Things to Note
3. Conclusion

Now Let Us Deal Some Cards

A game will get to play 21+3 with up to 50 cards on 6 separate decks; all the cards are automatically dealt by the dealer after he shuffles it.

This game has two betting options, the main bet and a side bet option, the main bet, however, allows players to stake from 0.50 to 500 credits on either of the 3 betting boxes available.

After placing your bets and the cards are dealt, pray that your hand value surpasses that of the dealer but does not exceed 21 points. Note that when it is possible for you to get paid from the croupier’s excess or blackjack’s insurance.

Rules and Other Things to Note

As 21+3 Blackjack at casinos online come with some gameplay features, you should watch out for some actions:

• If the card revealed by the croupier is a ten or an ace, he asks for “twenty-one”.
• You get to have some cards in your boxes in case “twenty-one” falls in the dealer’s hands.
• You can only use “split” once on the boxes.
• The split aces are dealt by the dealer with one card.
• You cannot get a blackjack from boxes made from splits.
• Feel free to make doubles on 11, 10, and 9 even after a split.
• You cannot choose to surrender in this game.

The payouts here are of the basics as the regular box wins you 1:1, insurance pays 2:1, and “twenty-one” pays 3:2.

Side Bets

This is a bonus feature playable with 0.10 to 250 credits per deal and it pays out 5:1 for Flush, 10:1 for straight, 25:1 for Three of a Kind, 40:1 for Straight Flush, and a maximum of 100:1 for Three of a Kind with the same suit.

Conclusion

21+3 Blackjack by Felt is an exciting online table game; it comes with two betting modes (main and side bets) with a chance to play 21+3 Blackjack for real money or for free. Note that the RTP for the main bet and side bet are around 96% and 92.86% respectively.