At 1wim, you play blackjack with an RTP of up to 99.5% — the highest statistical return of any casino game. Classic, European, live dealer, Speed Blackjack, and much more. Deposit via Pix, no withdrawal fees.
Choose the version that matches your playing style.
There's a very clear reason why blackjack has built such a loyal following worldwide — and has grown rapidly in Brazil in recent years: it's the only casino game where your decisions have a measurable, direct impact on the outcome. In slots, you hit spin and wait. In blackjack, every card dealt demands a choice — hit, stand, double down, split — and the sum of those choices throughout a session determines how much of the house edge you manage to cut away. At 1wim, blackjack takes center stage because the platform understands that players who study the game deserve an experience that's up to the challenge.
European blackjack at 1wim delivers an RTP of up to 99.5% when played with basic strategy. That means the house edge is just 0.5% — the lowest of any game in the casino. For context: European roulette carries a 2.7% house edge, and most slots sit between 3% and 5%. The gap may sound small, but over a few hours of play it makes a real difference in how much money stays in the player's pocket.
The objective of blackjack is straightforward: get closer to 21 than the dealer without going over. Number cards are worth their face value, face cards (J, Q, K) are worth 10, and an Ace can be worth 1 or 11 — whichever is more favorable for your hand. At the start of each round, you and the dealer each receive two cards — yours are both face up, while the dealer has one card face up and one face down. From there, you have four basic actions available: hit (draw another card), stand (keep your current hand), double down (double the bet and receive exactly one more card) and split (splitting a pair into two independent hands, each with a bet equal to the original).
In the European version — the most common at 1wim — the dealer receives the second card only after the player has finished acting, which prevents early blackjack verification. This slightly changes strategy compared to the American version, where the dealer checks for blackjack right at the start if the face-up card is an Ace or a 10-value card. At 1wim, the rules for each variant are visible before you sit down at the table.
Basic blackjack strategy is a set of mathematically optimized decisions for every possible combination of the player's hand and the dealer's upcard. It's not a guarantee of winning — blackjack is still a game of probability — but it's the best way to minimize the house edge as much as possible. A player who sticks strictly to basic strategy can reduce the house edge to under 0.5% in versions with the most favorable rules.
At 1wim, you can pull up the basic strategy chart directly within the RNG game interface without leaving your session. For new players, this is a real advantage — instead of relying on memory or switching to another tab on your phone, the information is right there when you need it. Over time, the most common decisions become second nature and the strategy starts to feel automatic.
Speed Blackjack, developed by Evolution, was built to address a classic live blackjack problem: waiting for each player's turn at the table. In this variant, all players act simultaneously as soon as they receive their cards. Whoever decides first picks their action — hit, stand, or double — and the table moves quickly to the next step. The result is a session with more rounds per hour, perfect for players who want to make the most of their time without giving up the live dealer experience.
Infinite Blackjack, also by Evolution and available at 1wim, solves another problem: seat limitations. At a traditional live blackjack table, there are a fixed number of spots. With Infinite Blackjack, an unlimited number of players can join the same table and everyone receives the same two starting cards. From there, each player acts independently with their own bet. This completely eliminates waiting for a seat and opens up access to real dealer tables regardless of the time of day or demand.
Double Exposure is one of blackjack's most unusual variants and has a loyal following among 1wim players who enjoy strategy. In this version, both of the dealer's cards are face up from the start, which seems like a huge advantage for the player. To compensate, the game adjusts other rules: ties normally result in a loss for the player (except a tied blackjack), a natural blackjack pays 1:1 instead of 3:2, and the dealer wins ties in some scenarios. The result is a game that demands a completely different strategy — more aggressive when the dealer has a weak hand, more defensive when the dealer is strong.
For fans of analysis and strategy, Double Exposure at 1wim is a uniquely compelling experience because it forces you to rethink decisions that would be automatic in classic blackjack. It's a great variant to mix in with traditional versions when you want a fresh challenge without straying from the blackjack universe.
1wim's live blackjack section is powered by Evolution, the world leader in live casino. The tables are run by real dealers filmed in professional studios, with multiple camera angles showing the cards and a live chat for interaction between players and the dealer. Low-latency streaming technology ensures there's no noticeable gap between the action at the table and what you see on your phone or computer screen.
For players in São Paulo, Rio de Janeiro, or Fortaleza who have visited land-based casinos abroad — or are simply curious about what that experience feels like — Live Casino blackjack at 1wim is as close as it gets. You bet with real money, watch physical cards being dealt, and the outcome is determined by the deck, not an algorithm. The open tables at 1wim cover every bankroll: from tables with a R$ 5.00 minimum up to VIP rooms with limits of R$ 50,000.00 per hand.
Many blackjack variants at 1wim offer side bets that can be placed alongside your main bet. Perfect Pairs pays 25:1 if your first two cards form a perfect pair (same rank and same suit), with lower payouts for mixed and colored pairs. 21+3 combines your two cards with the dealer's up-card and pays out if they form a poker combination such as a flush, straight, or three of a kind. Bust It bets that the dealer will bust (go over 21) on a specific number of cards.
It's important to understand that side bets have a lower RTP than the main bet — typically between 92% and 96%. They're entertainment bets, not strategy bets. Using them occasionally to add excitement to a specific hand is reasonable; relying on them as part of a long-term strategy is not recommended by anyone who studies the game seriously.
The 1wim blackjack experience starts well before you sit down at the table — depositing is fast and hassle-free. Via Pix, funds appear in your account within seconds, so nothing breaks your rhythm when you're ready to play. You can also deposit by credit or debit card, PicPay, Mercado Pago, or boleto bancário. For withdrawals, Pix processes in up to 5 minutes to any Brazilian bank: Nubank, Itaú, Bradesco, Banco do Brasil, Caixa, or via TED. 1wim charges no withdrawal fees, and the minimum withdrawal amount is accessible for all types of players.
Mathematically correct decisions for the most common situations in European blackjack.
| Your Hand | Dealer 2–6 | Dealer 7–8 | Dealer 9–10 | Dealer Ace |
|---|---|---|---|---|
| 8 or less | Hit | Hit | Hit | Hit |
| 9 | Double | Hit | Hit | Hit |
| 10 | Double | Double | Hit | Hit |
| 11 | Double | Double | Double | Hit |
| 12–16 (hard hand) | Stand | Hit | Hit | Hit |
| 17 or more | Stand | Stand | Stand | Stand |
| Ace + 2 to 5 (soft hand) | Hit | Hit | Hit | Hit |
| Ace + 6 or 7 | Double | Stand | Hit | Hit |
| Ace + 8 or 9 | Stand | Stand | Stand | Stand |
| Pair of Aces | Split | Split | Split | Split |
| Pair of 8s | Split | Split | Split | Split |
| Pair of 10s | Stand | Stand | Stand | Stand |
Simplified table for European blackjack with 6 decks. Dealer stands on soft 17. Use as a reference — the full strategy accounts for every possible combination.
Know every action available in blackjack before you sit down at the table.
Request an additional card from the dealer to increase your hand's value. You can hit as many times as you like until you decide to stand or go over 21 — which results in an automatic loss (bust). Use this when your hand is too low relative to the dealer's up card.
Keeps your current hand without drawing more cards. The dealer then acts according to house rules — typically drawing until reaching 17 or more. Standing is the right call when your hand is strong or when the dealer shows a weak up-card.
Doubles the original bet and deals exactly one more card, ending the action. It's the most profitable move when applied correctly — especially with a hand of 10 or 11 against a weak dealer. Available on the first two cards in most variants.
When you're dealt a pair, you can split into two independent hands, each with a bet equal to the original. Always split Aces and 8s. Never split 10s or 5s. Pairs of 2s, 3s, 6s, and 7s depend on the dealer's up card.
In variants that offer this option, you can surrender your hand after receiving your first two cards, recovering half your bet. Early surrender is advantageous with a hand of 15 or 16 against a dealer showing a 9, 10, or Ace.
When the dealer shows an Ace, you can place an insurance bet of up to half your main bet, which pays 2:1 if the dealer has blackjack. The math shows that insurance has a negative RTP for the player and should be avoided under basic strategy.
Additional bets available on selected blackjack variants at 1wim.
Bet that your first two cards will form a pair. Three payout categories: mixed pair (different colors), colored pair (same color, different suits), and perfect pair (identical card and suit).
🃏 Pays up to 25:1Combines your two cards with the dealer's up-card. It pays out if the result is a flush, straight, three of a kind, straight flush, or suited three of a kind — just like a three-card poker hand.
🃏 Pays up to 100:1Bet that the dealer will bust (go over 21). Variable payouts based on the number of cards the dealer busts with — the more cards, the higher the side bet multiplier.
🃏 Pays up to 250:1A bet based on the combined value of your first two cards and the dealer's up card. The top payout goes to three 7s of the same suit, followed by three mixed 7s, then any other hand totaling 21.
🃏 Pays up to 100:1All figures verified by independent auditors. Check before choosing your table.
| Variant | Provider | Format | RTP | Minimum Limit |
|---|---|---|---|---|
| European Blackjack | Microgaming | RNG | 99,5% | R$ 1.00 |
| Speed Blackjack | Evolution | Live | 99,5% | R$ 5.00 |
| Infinite Blackjack | Evolution | Live | 99,5% | R$ 5.00 |
| Classic Blackjack | NetEnt | RNG | 99,3% | R$ 1.00 |
| Blackjack VIP | Evolution | Live | 99,4% | R$ 500.00 |
| Double Exposure | NetEnt | RNG | 99,3% | R$ 1.00 |
| Blackjack Party | Evolution | Live | 99,4% | R$ 5.00 |
| Perfect Pairs | Microgaming | RNG | 99,2% | R$ 1.00 |
A platform built for players who take the game seriously and want the best experience possible.
With a return of up to 99.5%, European blackjack offers the lowest house edge of any game available at 1wim. Playing correct strategy maximizes every BRL you wager.
Live tables with real dealers running 24 hours a day, including Speed Blackjack, Infinite Blackjack, and VIP tables. High-quality streaming with multiple cameras and real-time chat.
Touch interface designed for small screens. Cards, action buttons, and table info are displayed clearly even on 6-inch phones over 4G connections.
Check the basic strategy chart without leaving the game. 1wim makes the decision table available in RNG versions — ideal for beginners learning the best plays.
All RTP figures declared for RNG versions are certified by auditors such as eCOGRA and GLI. Evolution's live games are regulated by recognized international authorities.
From R$ 1.00 on RNG versions to R$ 50,000.00 at live VIP tables. 1wim has a seat for casual players and for those who want high-stakes action with comfort and privacy.
From registration to your first hand in under 5 minutes.
Enter your name, email, and CPF. Signing up at 1wim is free and takes under 2 minutes. Confirm via email and get instant access to all blackjack tables.
Deposit from R$ 10.00 via Pix, card, or boleto. Your balance appears in your account within seconds of confirmation, ready to use at any table.
Go to the Blackjack section, pick your preferred variant and choose a seat. In RNG versions, you can start playing right away. At live tables, simply wait for the next round.
Won? Request a withdrawal via Pix and the money lands in your Nubank, Itaú, Bradesco, or any other bank account in under 5 minutes — no fees, no hassle.
Real experiences from Brazilian players.
"I learned European blackjack basic strategy about three months ago and started playing at 1wim with R$ 200.00. Having the strategy chart built right into the game was a huge help at the beginning. Now I play from memory and cash out via Pix every week. The platform is completely transparent."
"Live Speed Blackjack is addictive in the best way — you play far more hands per hour without losing the real dealer experience. I made R$ 2,800.00 in a 90-minute session on a Saturday night and the Pix withdrawal hit my Bradesco account in under 6 minutes."
"I've always preferred blackjack over slots because I feel like I have control over the outcome. At 1wim, Infinite Blackjack never has a waiting list, which is perfect for playing at any hour. The 99.5% RTP is real — I've played a lot and the numbers line up with what's expected."
Everything you need to know before sitting down at the blackjack table at 1wim.
Decide how much you're willing to risk before opening any blackjack table. Set daily or weekly deposit limits in your account panel so the system automatically blocks new deposits once the limit is reached.
Basic strategy reduces the house edge, but it doesn't eliminate it. Even playing perfectly, you can still have losing sessions — that's just part of the game. Never chase previous losses; treat each session as a fresh start.
If you feel that blackjack is affecting your financial or emotional well-being, you can request a temporary self-exclusion (24 hours to 6 months) or a permanent one. The block takes effect immediately. 1wim is strictly prohibited for players under 18.
Blackjack is entertainment, not a guaranteed income source. Play within your limits. If you need support: CVV 188.
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