Why do online casinos give out 400% first deposit bonuses?

Online casinos give out 400% first deposit bonuses in order to encourage casino players to try out their platforms and consider playing there in the longer term.

Are 400% deposit bonus casino sites safe?

Yes, 400% deposit bonus casino sites are safe, as long as they're licensed and regulated by a reputable body. As well as having passed our test for safety and security, each of the 400% deposit bonus casinos we've recommended here are licensed and regulated by the Malta Gaming Authority (MGA) and/or another reputable gaming authority.

Can I keep winnings from a 400% casino deposit bonus?

Yes, you can keep your winnings from a 400% casino deposit bonus, as long as you've fulfilled the terms and conditions of the promotion.

Can I get free spins as part of the 400% casino bonus?

Yes, you can get free spins as part of a 400% casino bonus if you choose a welcome package that bundles the 400% deposit match with bonus spins.

Can I win real money with a casino 400% bonus?

Yes, you can win real money with a casino 400% bonus, just as you can with any other casino bonus offer.

400% Deposit Bonus Casinos - page 13

Alina Anisimova, Isobel Coughlan

Updated:25.6.2026

277
Cobra Casino
100% up to 500€ + 250 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus from Cobra Casino, which gives you a 100% match up to €500 on your deposit. Use bonus code COBRA50 when depositing and you get 250 free spins as part of the same offer.
Minimum deposit20€
Bonuses & Restrictions
Wagering40 x B+
The €100% match has 40x wagering on the bonus only, which is above average. A €100 deposit gives you a €100 bonus, and €100 x 40 = €4,000 in wagers. The 250 free spins carry 40x wagering on their winnings.
Cobra Casino Bonuses
18+ Full Terms Apply. Play Responsibly.

278
BetOnRed Casino
100% up to 150€ + 250 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €15 to claim this deposit bonus at BetOnRed Casino. You get a 100% match up to €150 plus 250 free spins worth €25 in total on top of your deposit. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit15€
Bonuses & Restrictions
Time limit14 days
Wagering40 x B+
The 100% bonus has 40x wagering on the bonus amount, which is above average. With a €100 deposit you get a €100 bonus, and €100 x 40 = €4,000 in wagers. The bonus is sticky: you play with it but only withdraw the winnings. The 250 free spins carry 35x wagering on their winnings.
BetOnRed Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
279
Pribet Casino
100% up to 1000€
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus at Pribet Casino. You get a 100% match up to €1,000 on your deposit. Use bonus code WELCOME1000 when depositing.
Minimum deposit20€
Bonuses & Restrictions
Time limit21 days
Wagering40 x (D+B)+
The wagering requirement is 40x on your deposit plus bonus, which is above average. A €100 deposit gives you a €100 bonus, so €100 + €100 = €200 x 40 = €8,000 in wagers.
Pribet Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
280
SkyCrown
100% up to 100€ + 100 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus at SkyCrown. You get a 100% match up to €100 on your deposit, plus 100 free spins. Use bonus code SKY1 when depositing, and winnings from the bonus are capped at €100.
Minimum deposit20€
Bonuses & Restrictions
Max bet1€
Time limit5 days
Wagering40 x (D+B)+
The wagering requirement is 40x on your deposit plus bonus, which is above average. With a €100 deposit at 100%, you get a €100 bonus, so you wager (€100 + €100) = €200 x 40 = €8,000 in total. The bonus is sticky: you play with it but only withdraw the winnings. The 100 free spins carry 40x wagering on their winnings.
SkyCrown Bonuses
18+ Full Terms Apply. Play Responsibly.
281
Slota Casino
100% up to 1000€ + 110 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus, which gives you a 100% match up to €1,000 on your deposit at Slota Casino. Use bonus code welcome when depositing and you get 110 free spins on Book of Dead worth €11 in total, with winnings from the bonus capped at €1,000.
Minimum deposit20€
Bonuses & Restrictions
Time limit7 days
Wagering40 x (D+B)+
The wagering requirement is 40x on your deposit plus bonus, which is above average. With a €100 deposit you get a €100 bonus, so €100 + €100 = €200 x 40 = €8,000 in wagers. The 110 free spins carry 45x wagering on their winnings.
Slota Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
282
Sportuna Casino
100% up to 500€ + 200 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus at Sportuna Casino, which gives you a 100% match up to €500 on your deposit. You also get 200 free spins worth €20 in total, and no bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit20€
Bonuses & Restrictions
Time limit10 days
Wagering35 x (D+B)+
Wagering sits in the standard range at 35x on your deposit plus bonus. With a €100 deposit, the 100% match gives you a €100 bonus, and €100 + €100 = €200 x 35 = €7,000 in wagers. The 200 free spins carry 40x wagering on their winnings.
Sportuna Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
283
0x.bet
100% up to 500€ + 75 free spins
Main details
Bonus type1st deposit bonus+
0x.bet matches your deposit 100% up to €500 and gives you 75 free spins. Deposit at least €20 to claim it. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit20€
Bonuses & Restrictions
Max bet5€
Time limit3 days
Wagering50 x (D+B)+
Wagering on the cash bonus is 50x on your deposit plus bonus, which is on the high side. With a €100 deposit you get a €100 bonus, so €100 + €100 = €200 x 50x = €10,000 in wagers. The 75 free spins carry 50x wagering on their winnings, and max bet while wagering is €5 per round. You have 3 days to clear it.
0x.bet Bonuses
18+ Full Terms Apply. Play Responsibly.
284
24Bettle
100% up to 240€ + 24 free spins
Main details
Bonus type1st deposit bonus+
24Bettle matches your deposit 100% up to €240 and gives you 24 free spins worth €2.40 in total. Deposit at least €10 to claim it. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit10€
Bonuses & Restrictions
Max bet5€
Wagering40 x B+
Wagering is 40x on the bonus amount, which is on the high side. With a €100 deposit you get a €100 bonus, and €100 x 40 = €4,000 in wagers. The 24 free spins carry 40x wagering on their winnings. Max bet while wagering is €5 per round.
24Bettle Bonuses
18+ Full Terms Apply. Play Responsibly.
285
Betamo Casino
100% up to 150€ + 100 free spins
Main details
Bonus type1st deposit bonus+
Betamo Casino matches your deposit 100% up to £150 and gives you 100 free spins. This bonus is for UK players only. Deposit at least £20 and use bonus code START when depositing to claim it.
Minimum deposit20€
Bonuses & Restrictions
Wagering40 x B+
Wagering on the cash bonus is 40x the bonus amount, which is on the high side. With a £100 deposit you get a £100 bonus, and £100 x 40 = £4,000 in wagers. The 100 free spins carry 40x wagering on their winnings.
Betamo Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
286
BetiBet
100% up to 500€ + 75 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus at BetiBet, which gives you a 100% match up to €500 on your deposit. You also get 75 free spins worth €7.50 in total. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit20€
Bonuses & Restrictions
Max bet5€
Time limit10 days
Wagering55 x (D+B)+
The wagering requirement is on the high side at 55x your deposit plus bonus. With a €100 deposit at 100%, you get a €100 bonus, so €100 + €100 = €200 x 55 = €11,000 in wagers. The 75 free spins carry 55x wagering on their winnings.
BetiBet Bonuses
18+ Full Terms Apply. Play Responsibly.
287
Betista Casino
Launched 2025
100% up to 1000€ + 100 free spins
Main details
Bonus type1st deposit bonus+
Betista Casino matches your deposit 100% up to €1,000 and gives you 100 free spins. Deposit at least €10 to claim it. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit10€
Bonuses & Restrictions
Max bet5€
Time limit14 days
Wagering35 x (D+B)+
Wagering is 35x on your deposit plus bonus, which sits in the standard range, so a €100 deposit gives you a €100 bonus: €100 + €100 = €200 x 35 = €7,000 in wagers. The 100 free spins carry 40x wagering on their winnings. Max bet while wagering is €5 per round and you have 14 days to clear it.
Betista Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
288
BillyBets Casino
100% up to 500€ + 200 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus at BillyBets Casino, which gives you a 100% match up to €500 on your deposit. You also get 200 free spins worth €20 in total, and no bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit20€
Bonuses & Restrictions
Max bet5€
Time limit10 days
Wagering35 x (D+B)+
The wagering requirement is in the standard range at 35x on your deposit plus bonus. A €100 deposit gives you a €100 bonus, and €100 + €100 = €200 x 35 = €7,000 in wagers. The 200 free spins carry 40x wagering on their winnings.
BillyBets Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
289
Bino.bet
Launched 2025
100% up to 500€
Main details
Bonus type1st deposit bonus+
Bino.bet matches your deposit 100% up to €500 as a deposit bonus. Deposit at least €30 to claim it, no bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit30€
Bonuses & Restrictions
Time limit10 days
Wagering40 x B+
Wagering is 40x on the bonus amount at Bino.bet, which is on the above average side. With a €100 deposit you get a €100 bonus, and €100 x 40 = €4,000 in wagers. You have 10 days to clear it.
Bino.bet Bonuses
18+ Full Terms Apply. Play Responsibly.
290
Bitdreams Casino
100% up to 100€ + 100 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus at Bitdreams Casino, which gives you a 100% match up to €100 on your deposit. Use bonus code WELCOME1 when depositing and you get 100 free spins worth €10 in total.
Minimum deposit20€
Bonuses & Restrictions
Time limit30 days
Wagering50 x B+
The wagering is on the high side at 50x on the bonus amount. With a €100 deposit you get a €100 bonus, and €100 x 50 = €5,000 in wagers. The 100 free spins carry 50x wagering on their winnings.
Bitdreams Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
291
BluVegas Casino
100% up to 500€ + 100 free spins
Main details
Bonus type1st deposit bonus+
BluVegas Casino matches your deposit 100% up to €500 and gives you 100 free spins on Starburst. Deposit at least €20 to claim it. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit20€
Bonuses & Restrictions
Time limit7 days
Wagering35 x+
Wagering on the cash bonus is 35x on the bonus amount, which sits in the standard range. With a €100 deposit you get a €100 bonus, and €100 x 35 = €3,500 in wagers. You have 7 days to clear it. The 100 free spins carry 35x wagering on their winnings.
BluVegas Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
292
Bonusbet Casino
100% up to 2000€
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus at Bonusbet Casino. You get a 100% match up to €2,000 on your deposit. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit20€
Bonuses & Restrictions
Max bet5€
Wagering50 x (D+B)+
The wagering requirement is 50x on your deposit plus bonus, which is on the high side. With a €100 deposit and a 100% match you get a €100 bonus, so you wager (€100 + €100) = €200 x 50 = €10,000 in total before you can withdraw.
Bonusbet Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
293
Booi Casino
100% up to 500€ + 100 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €10 to claim this deposit bonus at Booi Casino, which gives you a 100% match up to €500 on your deposit. You also get 100 free spins. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit10€
Bonuses & Restrictions
Time limit7 days
Wagering40 x (D+B)+
The wagering is 40x on your deposit plus bonus, which is above average. A €100 deposit gives you a €100 bonus, and €100 + €100 = €200 x 40 = €8,000 in wagers. The 100 free spins carry 40x wagering on their winnings.
Booi Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
294
Boom Casino
100% up to 500€ + 250 free spins
Main details
Bonus type1st deposit bonus+
Boom Casino matches your deposit 100% up to €500 and gives you 250 free spins, worth €50.00 in total. Deposit at least €20 to claim it. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit20€
Bonuses & Restrictions
Wagering40 x B+
Wagering is 40x on the bonus amount, which is on the high side. With a €100 deposit you get a €100 bonus, and €100 x 40 = €4,000 in wagers. The 250 free spins carry 40x wagering on their winnings.
Boom Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
295
Boost Casino
100% up to 250€ + 100 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €25 to claim this deposit bonus at Boost Casino. With your deposit you get a 100% match up to €250 plus 100 free spins. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit25€
Bonuses & Restrictions
Wagering30 x (D+B)+
The wagering requirement is 30x in the standard range and it applies to both your deposit and bonus. With a €100 deposit you get a €100 bonus, and €100 + €100 = €200 x 30 = €6,000 in wagers. The 100 free spins carry 30x wagering on their winnings.
Boost Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
296
Casiku Casino
100% up to 300€ + 25 free spins
Main details
Bonus type1st deposit bonus+
Casiku Casino matches your deposit 100% up to €300 and gives you 25 free spins on Big Bass Splash, worth €2.50 in total. Deposit at least €5 to claim it. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit5€
Bonuses & Restrictions
Wagering40 x (D+B)+
Wagering on the cash bonus is 40x on your deposit plus bonus, which is on the above average side. With a €100 deposit you get a €100 bonus, so €100 + €100 = €200 x 40 = €8,000 in wagers. The 25 free spins carry 40x wagering on their winnings.
Casiku Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
297
Casino Estrella
100% up to 50€ + 100 free spins
Main details
Bonus type1st deposit bonus+
Casino Estrella matches your deposit 100% up to €50 and also gives you 100 free spins. Winnings are capped at €200. Deposit at least €10 to claim it. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit10€
Bonuses & Restrictions
Wagering30 x (D+B)+
Wagering is 30x on your deposit plus bonus, which sits in the standard range. With a €100 deposit you get a €50 bonus due to the €50 cap, so €100 + €50 = €150 x 30 = €4,500 in wagers. The 100 free spins carry 35x wagering on their winnings.
Casino Estrella Bonuses
18+ Full Terms Apply. Play Responsibly.
298
Casino Friday
100% up to 100€ + 200 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus at Casino Friday, which gives you a 100% match up to €100 on your deposit. You also get 200 free spins. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit20€
Bonuses & Restrictions
Wagering40 x B+
The €100% match bonus at Casino Friday has 40x wagering on the bonus amount, which is above average. A €100 deposit gives you a €100 bonus, and €100 x 40 = €4,000 in wagers. The 200 free spins carry 30x wagering on their winnings.
Casino Friday Bonuses
18+ Full Terms Apply. Play Responsibly.
299
Casino.me
100% up to 377€ + 77 free spins
Main details
Bonus type1st deposit bonus+
Casino.me matches your deposit 100% up to €377 and gives you 77 free spins worth €7.70 in total. Deposit at least €20 to claim it. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit20€
Bonuses & Restrictions
Time limit30 days
Wagering20 x (D+B)+
Wagering is 20x on the low side and it applies to both your deposit and bonus. With a €100 deposit you get a €100 bonus, so €100 + €100 = €200 x 20 = €4,000 in wagers. The 77 free spins carry 20x wagering on their winnings.
Casino.me Bonuses
18+ Full Terms Apply. Play Responsibly.

Sources

Malta Gambling Authority