Kosmonaut Casino Bonus Codes June 2025

Explore the latest offers from Kosmonaut Casino, including welcome bonuses, free spins, and more. Click 'Get Bonus' to claim an offer, or scroll down to learn about Kosmonaut Casino promotions, terms, and how to claim your bonus.

Kosmonaut Casino Bonuses

200% up to $1,500 + 100 Free Spins

Get Bonus

Main information

Enjoy 200% match bonus over your first three deposits

Deposit 1-code: KOSMO1 and get 100% match with 20 free spins

Deposit 2-code: KOSMO2 and get a 50% match with 30 free spins

Deposit 3-code: KOSMO3 and get a 50% match bonus with 50 free spins

Your free spins will be for a different c...

About This Bonus

👦🏻 Player Type

New Players, 18+

🎲 Wagering

X50

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Kosmonaut Casino Welcome Bonus

kosmonaut-casino-welcome-bonus The welcome bonus at Kosmonaut Casino is 200% up to $1,500 Plus 100 Free Spins. The Kosmonaut Casino welcome bonus is for new players making their first deposit on the platform. To claim the reward, register and verify your free account, then log in to make a deposit. The deal is available across the first three deposits as follows:

1^st Bonus: 100% deposit match up to $300 plus 20 free spins
2^nd Bonus: 50% deposit match up to $500 plus 30 free spins
3^rd Bonus: 50% deposit match up to $700 plus 50 free spins

You’ll need a minimum deposit of $30 on each of the three occasions. In addition, the Kosmonaut Casino welcome bonus also features 50x wagering requirements and unique codes.

The first deposit bonus code is KOSMO1, while the second and third bonus codes are KOSMO2 and KOSMO3, respectively.

Regular Player bonuses

After exhausting the welcome package, there are many other Kosmonaut Casino promotions to claim. The site features free spins bonuses, reload deals, highroller promos, and pooled jackpots. There’s also a lucrative VIP loyalty program where players can ascend membership levels, unlocking exclusive perks and services. Popular regular player deals include:

Midweek Peak: Up to 100 free spins using the code COSMOW
KOSMO FRI-YAY: 50% plus 30 free spins using the code KOSMOFRIDAY
HIGH-ROLL Bonus: 50% up to $1,600 using the code HIGH50