Mellstroy▸All bonuses▸Welcome bonus
Data checked

Mellstroy Casino Welcome Bonus: up to 550% + 400 FS on 4 Deposits

Mellstroy gives new players up to 550% + 400 FS across the first four deposits on a non-crypto account, or up to 660% + 400 FS on a crypto account. Each deposit has its own match percentage. You do not need a promo code.

18+ · New players only · Operator bonus terms apply · Play responsibly

Portrait of Anusha KhanWritten by Anusha Khan · Checked by: Denise MatheyUpdated
Mellstroy welcome promotion: bonus up to 660% and 400 FS, Make a deposit button
Fiat accountUp to 550%
Crypto accountUp to 660%
Free spins400 FS
Deposits4
Short answer
  • The welcome package covers your first four deposits: up to 550% + 400 FS for a non-crypto account, or up to 660% + 400 FS for a crypto account.
  • Each stage adds a deposit match and free spins; later stages have higher match rates.
  • Mellstroy credits the bonus automatically after each qualifying deposit, without a promo code.
  • The bonus card in the Bonuses section sets the exact conditions.
Package overview

Mellstroy welcome bonus at a glance

Your account currency sets the match rates for the welcome package.

FeatureWelcome package
Non-crypto matchUp to 550%
Crypto matchUp to 660% on a crypto account
Free spins400 FS across the package
Qualifying stagesFirst 4 deposits
Promo codeNot needed
Wageringx50 percentage bonus; x40 FS
Time windows72 hours to activate; 7 days to wager
EligibilityNew players only
Exact terms are in the bonus card in the Bonuses section.

The Mellstroy bonus selection separates this new-player package from the ongoing offers.

Fiat or crypto

The deposit ladder: your match at each stage

Each qualifying deposit adds 100 FS alongside its percentage bonus. The match rate rises at every stage. Switch between Fiat and Crypto to compare the account types.

  1. 1st deposit100%120%+ 100 FSCrypto: 120%Fiat: 100%
  2. 2nd deposit125%150%+ 100 FSCrypto: 150%Fiat: 125%
  3. 3rd deposit150%180%+ 100 FSCrypto: 180%Fiat: 150%
  4. 4th deposit175%210%+ 100 FSCrypto: 210%Fiat: 175%

A payment method's minimum can differ from the bonus threshold; the bonus card in the Bonuses section gives the exact terms.

Fiat or crypto: choose the account currency

You choose your account currency during registration. USD and EUR accounts use the non-crypto ladder; crypto accounts include BNB, BTC, ETH, LTC, TON, TRX, USDC and USDT.

The welcome package needs no code; the optional code field belongs to a separate bonus mechanism.

Terms of the Mellstroy offer Bonus up to 660% and 400 FS: first 4 deposits and claim steps (welcome bonus)
Welcome offer terms · 11.11.2026
Deposit match example

What each stage adds per 100 deposited

A 100-unit deposit at the second fiat stage adds 125 units of bonus money before the cap. The figures below show the bonus addition, excluding your own deposit. They illustrate the percentage calculation, not a qualifying minimum.

Deposit stageFiat bonus addedCrypto bonus added
First+100 units+120 units
Second+125 units+150 units
Third+150 units+180 units
Fourth+175 units+210 units

These additions are per 100 units of your account currency, before the cap in the bonus card; increasing a deposit beyond that cap adds no further percentage bonus.

The wagering and payout conditions apply to the resulting bonus balance.

From account to deposit

How to claim: four steps

Start with the account setup form, then use the welcome card to match your deposit to its conditions.

  1. 1

    Create your account

    Enter your phone number, email and password in the registration form.
  2. 2

    Choose the account currency

    A crypto account has a package up to 660%; a non-crypto account has up to 550%. Your account currency sets the ladder.
  3. 3

    Open Bonuses

    Open the welcome bonus card in Bonuses for the exact terms.
  4. 4

    Make the deposit

    Use a payment method whose minimum you can meet, and fund the account in line with the bonus card.

A payment method's minimum can exceed the bonus threshold, so check the cashier when choosing how to fund the account.

After the deposit

Mellstroy automatically credits the welcome match to your bonus balance after the qualifying deposit. Your main balance and casino bonus balance are separate; the free spins become available after you use the percentage bonus.

Each later stage requires the next deposit; the package does not arrive as a single match on your opening payment.

Mellstroy promotions list: bonus up to 660% and 400 FS and the 40 FS verification card (welcome bonus)
Promotions list: timers and cards · 11.11.2026
Before the first deposit

Choose the currency in the registration form

Choose your account currency before you submit the form.

  1. Currency selector, phone, email and password fields in the Mellstroy registration form

    Set the account currency

    Open the currency selector at the top of the Registration form.

    You see: The selector sits above the phone and email fields and shows a preset currency until you change it.

  2. Mellstroy registration form with optional promo code, consent checkbox and registration button

    Complete the account form

    Fill in the fields, accept the terms and tap Register.

    You see: The Add promo code link is optional: the welcome package needs no code.

After registration, open the welcome card in Bonuses for the deposit conditions.

Bonus card conditions

Wagering and limits

The payout cap and maximum bet apply alongside the wagering requirement. Crypto follows the same conditions apart from the match percentages. Exact terms are in the bonus card in the Bonuses section.

  • Percentage bonus

    Wagering requirement: x50.
  • Free spins

    Wagering requirement: x40.
  • Activation window

    72 hours after the deposit.
  • Wagering window

    7 days to complete the requirement.
  • Payout cap

    x1 of the bonus amount.
  • RUB amounts only

    RUB: bonus cap 14,000 per deposit; FS winnings cap 5,000; max bet 400; bonus deposit threshold 1,000. Other currencies: see the bonus card.

Where to wager the bonus

Use the casino bonus balance in the bonus-wagering category under Casino. Casino bonus funds are for casino play; sports bonuses have a separate balance for sports betting.

When your account balance falls below the minimum slot stake, you can begin wagering the winnings under the bonus rules. After you complete the requirement, the winnings move to your main balance for a withdrawal under the account rules.

Mellstroy Terms and conditions: general provisions, clauses 1.1 to 1.4 (welcome bonus)
Terms and conditions, clauses 1.1 to 1.4 · 11.11.2026
Keep the current stage

What cancels the bonus

Withdrawing while a bonus is active cancels that bonus. Replacing it with a queued bonus also removes the current bonus balance.

Allowed

  • ✓Complete the current bonus before requesting a withdrawal.
  • ✓Use casino bonus funds in the designated wagering category.

Not allowed

  • ✕Bonus abuse.
  • ✕Saving bonus rounds to play after activating a different bonus.

Watch out

  • !Missing the claim or activation deadline cancels the bonus.
  • !Missing the wagering deadline cancels the bonus.
  • !Activating a replacement bonus removes the previous one.
  • !A withdrawal cancels an active or pending bonus.

Actions that forfeit the bonus

  1. 1

    Withdrawing before wagering

    The active bonus is cancelled when you withdraw. Finish its requirement before requesting payment to retain it under its terms.
  2. 2

    Activating another bonus

    Replacing the active casino bonus with one from the queue cancels the previous bonus and removes its amount.

The minimum withdrawal is €10 or the equivalent in your account currency. You must also complete deposit verification before a withdrawal can proceed.

Rules section of Mellstroy: the list of operator documents (welcome bonus)
The list of documents in the Rules section · 11.11.2026
Beyond the welcome stages

Welcome and other offers

The welcome package is for new players; cashback and weekly offers have separate qualifying rules.

  • Optional codes

    Voucher codes have their own activation rules; the welcome match needs no code.
  • Weekly slot cashback

    Cashback counts losses of your own money from the real balance, rather than losses of bonus funds.
  • Verification and weekly

    40 FS for phone and email verification require two earlier deposits; weekly offers require more than four deposits.
  • Mell Points

    Earn Points on eligible slot and sports bets; exchanging them for money requires a prior deposit.

No deposit?

There is no cash bonus without a deposit. Gift Mell Points still require a deposit before you can exchange them for money, and verification free spins have their own deposit condition.

Terms of the Mellstroy offer 40 FS for verifying phone and email (welcome bonus)
Terms of the 40 FS verification offer · 11.11.2026
Bonus vocabulary

Terms used in the welcome package

Fiat account
An account in a non-crypto currency, such as USD or EUR. Your account currency determines the welcome match percentages.
FS
Free spins. Welcome free spins become available after you use the percentage bonus.
Wagering
The betting requirement you must complete before bonus winnings move to your main balance.
Payout cap
The maximum amount the bonus conditions allow you to withdraw from the bonus.
Questions and help

Support with bonus conditions

  • Bonus questions

    Live chat runs 24/7. You can also email [email protected] about the conditions of your bonus.
  • Bonus complaints

    Mellstroy acknowledges complaints within one working day and responds on the substance within 14 days.
  • Pause play

    Request temporary or permanent self-exclusion through support. Help organisations include GamCare, Gambling Therapy and Gamblers Anonymous.

Sources

Where the facts on this page come from

Welcome bonus questions

Questions about the Mellstroy welcome bonus

A non-crypto account qualifies for up to 550% + 400 FS across the welcome stages. Only a crypto account qualifies for up to 660% + 400 FS. The bonus card in the Bonuses section sets the exact conditions.

Page history
  1. First version of the page.
Status

Who runs this page

mellstroy.ing is an information site, not Mellstroy and not its official page: no deposits, bets or accounts are handled here.

The operator does not publish a licence, regulator or legal entity. Its Terms make you responsible for checking that online gambling is lawful where you live; one account per person, and VPNs, proxies and TOR are not allowed.

For adults (18+) only. If play stops being fun, plan a budget and find help.

MellstroyNew account offer
Welcome package for four deposits18+ · New players only · Operator bonus terms apply · Play responsibly
Open bonuses
Up to 550% + 400 FS 4 deposits · up to 660% + 400 FS on a crypto accountPlay now