Kosmonaut Casino Review

Crypto-friendly with round-the-clock chat, but wagering runs high.

Reviewed by Tum · Updated 20 November 2025 · How we review

What we like

  • Crypto friendly
  • Live chat support is available 24/7

What we don't

  • No phone support
  • High wagering requirements on bonuses

Quick Facts

🏛️
Licence
Curaçao
🏢
Operated by
Dama N.V. Established 2020
💱
Currencies
AUD, BCH, BNB, BRL, BTC, CAD, ETH, EUR, INR, JPY, LTC, NOK, NZD, RUB, TRX, USD, USDT, XDG, ZAR
🌐
Languages
English, German, Norwegian
🗺️
Player acceptance
Players accepted from Australia, Brazil, Canada, European Union, India, Japan, New Zealand, Norway

Bonuses at Kosmonaut Casino

Welcome Package

300% over 3 deposits + 350 Free Spins

  1. 125% up to $2,250 + 100 FS min $30
  2. 75% up to $2,250 + 150 FS min $30
  3. 100% up to $3,000 + 100 FS min $30
Wagering
40x bonus
Max bet
N/A
Max cashout
$11,250 or 5x bonus value
Expiry
N/A
Clearing difficulty Medium
Details
Sign Up Bonus

50% up to $750

Wagering
40x bonus
Min deposit
$60
Max cashout
Unlimited
Expiry
N/A

Bonus code: JUST50

Clearing difficulty Medium
Sign Up Bonus · Crypto deposits

21% Cashback Bonus

Wagering
3x
Min deposit
0.49 mBTC
Max cashout
N/A
Expiry
N/A
Clearing difficulty Very Easy

View Full Bonus Details & Terms

Deposits & Withdrawals

Deposit methods
Withdrawal methods

Showing methods available to players in USA.

Games & Software

Game providers 57
Show all 57 providers

Live Casino

Kosmonaut Casino's live tables run on Pragmatic Play, Evolution Gaming, Ezugi. Here are the tables, limits and returns.

ONE Blackjack table

ONE Blackjack

RTP
99.59%
Seats
Unlimited
Payout
3:2

Side bets: Crazy 7, Bust Bonus, Perfect Pairs, 21+3

Lightning Blackjack table

Lightning Blackjack

Bets
$1 to $2,500
RTP
99.56%
Seats
Unlimited players
Payout
3:2

Side bets: Insurance only (explicitly)

Speed Blackjack table

Speed Blackjack

Bets
$1 to $1,000
RTP
99.54%
Seats
Not specified
Payout
3:2

Side bets: Pairs, Poker

Da Sorte table

Da Sorte

Bets
$5 to $1,000
RTP
99.50%
Seats
7 seats
Payout
3:2

Side bets: Perfect Pairs, 21+3

Gold Blackjack table

Gold Blackjack

Bets
$50 to $5,000
RTP
99.50%
Seats
7 seats
Payout
3:2

Side bets: Perfect Pairs, 21+3

Rumba Blackjack table

Rumba Blackjack

Bets
$5 to $1,000
RTP
99.50%
Seats
7 seats
Payout
3:2

Side bets: Perfect Pairs, 21+3

Unlimited Blackjack table

Unlimited Blackjack

Bets
$1 to $1,000
RTP
99.50%
Seats
Unlimited players
Payout
3:2

Side bets: Perfect Pairs, 21+3

Unlimited Blackjack table

Unlimited Blackjack

Bets
$1 to $1000+
RTP
99.50%
Seats
Unlimited
Payout
3:2

Side bets: Perfect Pairs, 21+3

VIP Diamond table

VIP Diamond

Bets
$1,000 to $10,000
RTP
99.50%
Seats
7 seats
Payout
3:2

Side bets: Perfect Pairs, 21+3

VIP Surrender table

VIP Surrender

Bets
$50 to $5,000
RTP
99.50%
Seats
7 seats
Payout
3:2

Side bets: Perfect Pairs, 21+3

Blackjack table

Blackjack

Bets
$5 to $2,500
RTP
99.41%
Seats
7 seats
Payout
3:2

Side bets: Perfect Pairs, 21+3

Table details come from our own play-testing of each game. Tap a table for the full rules breakdown. Showing the 12 best-return tables of 24 we have verified from these providers.

♠ BlackjackInfo intelligence

For Blackjack Players

We grade Kosmonaut Casino on its actual blackjack tables, then give you the optimal basic strategy for the exact rules you'll be playing.

4.6 / 5

Blackjack rating
Based on real table rules and returns

Table quality

Rules of the best live table here, ONE Blackjack by Pragmatic Play. Other tables differ:

  • 3:2 blackjack payout, not 6:5
  • Dealer stands on soft 17
  • Double after split allowed
  • 8 decks

House edge as low as 0.41% on this table with correct basic strategy

Stakes and seats

  • Tables from $1 a hand
  • Limits up to $20,000 for high rollers
  • 9 of 24 tables seat unlimited players, never full
  • Side bets on every table: fun, but they carry a higher house edge

Bet ranges and seat counts from our own play-testing of each table

Powered by our strategy engine

Optimal strategy for Kosmonaut Casino's tables

The chart is the correct basic strategy for 8 decks · dealer stands on soft 17. Key plays:

  • Always split Aces and 8s; never split 5s or 10s
  • Double hard 11 vs dealer 2–10, and hard 10 vs 2–9
  • Stand on hard 17+, and on 13–16 vs dealer 2–6
  • Never take insurance
Practice these rules → Open the full strategy engine
H Hit S Stand D Double Hard totals shown · your hand (rows) vs dealer up-card (columns)

Player Feedback

⚠ Please note: the complaint form is for issues where the casino has treated you unfairly (delayed payments, bonus problems, account disputes) and you have already tried casino support without success.

Upon submission, we contact Kosmonaut Casino on your behalf and mediate until the issue is resolved. Read our guidelines.

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