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How a 400% deposit match actually works

Four hundred per cent is the kind of number that makes people stop scrolling. This page does the sums and explains what to check before saying yes.

Updated 31 October 2026 · by the site team

What does "400 percent" mean in plain numbers?

The percentage applies to your deposit, and the result is added on top. A 100% match doubles a deposit. A 400% match adds four times the deposit, so the balance ends up five times what you paid in. Here is what that looks like at three common amounts.

That last column is the one to keep in mind. The bonus is not cash yet; it is extra balance that turns into withdrawable money only once its conditions are met.

How do the terms on a big match bonus work?

It is a simple exchange: a much bigger balance in return for some play. Bonus money usually carries a play-through condition: a multiple of the bonus, or of bonus plus deposit, that has to be staked before winnings from it can be withdrawn. The bigger the match, the bigger the amount that has to go through the reels. On a long slots session that fits naturally, because the extra balance gives you all the spins you need to work through it.

Which terms should I read first?

• The play-through multiple and what it is calculated on.
• Which games count towards it, and by how much.
• Any maximum stake per spin while the bonus is active.
• How long you have to complete it.
• What happens to the bonus if you withdraw early.

At LuckySlotPlay those conditions are listed on the promotions page next to the code. Give them two minutes; it is the cheapest two minutes of the evening.

When is a 400% bonus worth taking?

When three things line up: you planned to play slots for a while, the stake you like is comfortably inside any maximum-bet rule, and you are happy for the session to be about entertainment first. A player who spins at small stakes for an hour or two is exactly who a match this size is built for.

How do I get the most out of it?

Pick slots you genuinely enjoy, because you will be spending time with them. Keep your stake comfortably inside any maximum-bet rule, spread the session over a few games from the High RTP row, and keep an eye on your progress through the play-through in your account. Players who treat the 400% as a longer, richer evening on the reels are the ones who enjoy it most.

How do I claim LUCKY400 at LuckySlotPlay?

1. Register at luckyslotplay.com. If you like, add LUCK5 on the sign-up form for €5 free first.
2. Open the cashier and choose deposit.
3. Pick a method and amount, then type LUCKY400 in the code field.
4. Confirm. The 400% is added to your balance.

The two codes do not clash: LUCK5 is used once at registration, LUCKY400 at the deposit. Our payments guide covers the cashier itself, including why your account name should match your card.

Is 400% unusual?

Yes. Most first-deposit matches sit between 100% and 200%, and you will see a handful at 250% or 300%. Four hundred is at the top end. That is also why it pays to read it more carefully than a smaller offer, not less. If you are comparing it with other recent launches, our page on new slot sites in 2026 lists what else to weigh besides the headline number.

Does the bonus affect the VIP club?

The VIP club is climbed by wagering, so play on any balance moves you along. How bonus stakes are treated for the club follows the promotions terms.

Claim 400% at LuckySlotPlay — code LUCKY400

18+. A bonus is extra play, not extra income. Set a budget that works without it.