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CosmoBet Promotions — Casino, Sports & Weekly Rewards

CosmoBet runs a 400% welcome bonus alongside four recurring promotions that cover casino free spins, weekend free rounds, a 15-day sports mission chain, and a horse-racing BetBack offer. The welcome offer is one of the highest match percentages you will find at any online casino, though the terms around it require careful reading — several key details are not explicitly stated in the published T&Cs.

Claim Bonus — 18+. T&Cs apply. Gamble responsibly.

Claim Bonus

18+ | Gamble Responsibly | T&Cs Apply

Casino Welcome — 400% Welcome Bonus

CosmoBet's headline offer is a 400% match on your first deposit. With a minimum deposit of €20, a qualifying deposit is quadrupled as bonus funds. There is no separate sports welcome bonus — the 400% welcome bonus covers both casino and sports products.

Welcome Bonus Overview

Detail Value
Match 400%
Min Deposit €20
Max Bonus Not stated in T&Cs — verify current terms
Free Spins None included
Promo Code Not required

Terms in Plain English

  • Wagering requirement: The T&Cs state that wagering requirements apply but do not specify the exact multiplier. This is a transparency concern — always verify the current wagering terms on-site before depositing.
  • Wagering applies to: Bonus amount.
  • Eligible games: Wagering contributions by game type are not specified in the published terms. Verify current T&Cs before playing table games or live casino with bonus funds.
  • Max bet while wagering: Not stated in the T&Cs.
  • Max conversion: Winnings from deposit bonuses are capped at 10x your qualifying deposit amount. On a €20 deposit, the maximum you can withdraw from bonus winnings is €200 regardless of your actual balance.
  • Bonus expiry: Not stated in the T&Cs. If an expiry window exists, it is not published — contact support to confirm.
  • Activation: Only one bonus can be active at a time.
  • Minimum withdrawal wagering: Deposited money requires at least 1x wagering before a withdrawal request is accepted. If you request a withdrawal having wagered less than 3x your deposit, transaction processing fees may apply.

Wagering Example

Deposit €20 and receive €80 in bonus funds (400%). Your total balance is €100. The exact wagering requirement multiplier is not stated, so the total amount you would need to wager cannot be calculated from the published terms — verify with CosmoBet support. Regardless of wagering outcome, your maximum cashout from bonus winnings is €200 (10x the €20 deposit).

Important Restrictions

  • Country restrictions: Deposit and welcome bonuses are not eligible for users from Thailand, Finland, or Japan.
  • One bonus per household: Limited to one bonus per user, IP address, device, family, household address, phone number, payment method, and email address.
  • The 10x cap is restrictive: For larger deposits, this cap becomes significant. A €100 deposit with a €400 bonus still limits withdrawals to €1,000 — well below what a 400% match might suggest you could win.

Ongoing Promotions

CosmoBet runs four named promotions beyond the welcome offer. Each requires a minimum deposit and a promo code.

Cosmic Winsday

Every Wednesday, deposit €50 and enter promo code WINSDAY to receive 50 free spins on Evoplay's Lava Burst. Each spin is valued at $0.10, giving the package a face value of $5.00. This is a modest weekly reload — useful for Evoplay fans, but the per-spin value is low. Wagering requirements on free spin winnings apply — verify current T&Cs for the specific multiplier. 18+. Gamble responsibly.

Chicken Race Weekend Special

Available every Saturday and Sunday. Deposit €50 and use promo code CHICKEN10 to receive up to 20 free rounds on Chicken Race. Each round is worth $0.50, putting the package value at up to $10.00. The "up to" phrasing means the exact number of rounds may vary — check the promotion page for current details. 18+. T&Cs apply.

15 Day Sport Rush

A multi-day sports betting mission chain. Bet on selected daily matches with a minimum bet of 30 (currency unit per your account) at minimum odds of 1.6. If your bet loses, you receive free bets, free spins, or free rounds as consolation. Completing all 15 daily missions awards a 50 free bet grand prize. This promotion rewards consistent activity rather than single large stakes — plan your bankroll across the full 15-day window. 18+. Gamble responsibly.

Grand National BetBack

A horse racing promotion tied to Grand National events. If your bet loses, you receive 20% back as free rounds on Chicken Race, up to a maximum of 300 free rounds. Minimum stake is 50 (account currency) at minimum odds of 1.9. The BetBack is only triggered on losing bets, so it functions as a partial safety net rather than a bonus — you still lose 80% of your stake. 18+. T&Cs apply.

What to Watch For

Before claiming any CosmoBet promotion, read these common pitfalls:

  1. Wagering terms are unclear. The published T&Cs confirm that wagering requirements exist but do not state the specific multiplier. This is unusual — most operators publish an explicit number like 35x or 40x. Contact live chat support before depositing to get the current requirement in writing.
  1. One active bonus at a time. You cannot stack the welcome bonus with an ongoing promotion. If you claim the 400% welcome bonus, you must clear it entirely before activating Cosmic Winsday or any other offer.
  1. The 10x conversion cap bites on larger deposits. A 400% match sounds generous, but the maximum cashout from bonus winnings is capped at 10x your deposit. On a €50 deposit, that is €500 — not the €250 bonus amount times any multiplier. This makes the welcome bonus better suited to minimum or moderate deposits. For full current terms and promo codes, see our bonus codes page.
  1. Promo codes are mandatory for ongoing offers. Cosmic Winsday requires WINSDAY, Chicken Race Weekend requires CHICKEN10. Missing the code at deposit means missing the promotion — there is no retroactive crediting mentioned in the terms.
  1. Country restrictions on the welcome bonus. Players from Thailand, Finland, and Japan are excluded from deposit and welcome bonuses entirely. Ongoing promotions may have their own geographic restrictions — verify before depositing.
  1. Withdrawal fees if under-wagered. If you request a withdrawal having wagered less than 3x your deposit amount, transaction processing fees may apply. This is an uncommon clause that effectively penalises early withdrawals.
  1. Check payment methods before depositing. The minimum deposit is €20 across all methods, but processing times and withdrawal options vary. Ensure your preferred method supports both deposits and withdrawals to avoid complications when cashing out.

CosmoBet is operated by Santeda International B.V. under Curacao Gaming Authority licence OGL/2024/1798/1048. 18+. Gamble responsibly. T&Cs apply. If gambling is causing you harm, visit our responsible gambling page or contact BeGambleAware, GamCare, Gamblers Anonymous, or Gambling Therapy for support.