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 19

Alina Anisimova, Isobel Coughlan

Updated:25.6.2026

415
Thor Casino
Crypto Accepted
100% up to 200€ + 25 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus from Thor Casino: you get a 100% match up to €200 on your deposit. You also get 25 free spins worth €0.10 each, for a total of €2.50. Use bonus code THOR1 when depositing.
Minimum deposit20€
Bonuses & Restrictions
Time limit10 days
WageringNo wagering+
The bonus at Thor Casino is wager-free, but it is sticky: you keep only the winnings, not the bonus amount itself. The 25 free spins carry 0x wagering on their winnings.
Thor Casino Bonuses
18+ Full Terms Apply. Play Responsibly.

416
Mond Casino
Exclusive BonusCrypto Accepted
100% up to 500€
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus at Mond Casino. You get a 100% match up to €500 on your deposit. Use bonus code WELCOME100 when depositing. This bonus is for Canadian players only.
Minimum deposit20€
Bonuses & Restrictions
Time limit30 days
WageringNo wagering+
The bonus at Mond Casino is wager-free, but it is sticky: you keep only the winnings, not the bonus amount itself.
Mond Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
417
Mama.bet
New 2026Crypto Accepted
100% up to 500€
Main details
Bonus type1st deposit bonus+
Deposit at least €30 to claim this deposit bonus at Mama.bet, which gives you a 100% match up to €500 on your deposit. No bonus code is needed, the bonus activates on your qualifying deposit. Winnings from the bonus are capped at €2,500.
Minimum deposit30€
Bonuses & Restrictions
Max bet5€
Time limit10 days
Wagering40 x B+
The 40x wagering on this 100% match applies to the bonus amount only, which is above average. With a €100 deposit you get a €100 bonus, and €100 x 40x = €4,000 in wagers.
Mama.bet Bonuses
18+ Full Terms Apply. Play Responsibly.
418
CasinoStars
Exclusive BonusCrypto Accepted
100% up to 300€
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus at CasinoStars. You get a 100% match up to €300 on your deposit. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit20€
Bonuses & Restrictions
Max bet3€
WageringNo wagering+
The bonus at CasinoStars is wager-free, but it is sticky: you keep only the winnings, not the bonus amount itself.
CasinoStars Bonuses
18+ Full Terms Apply. Play Responsibly.
419
Casino Orca
Exclusive BonusCrypto Accepted
100% up to 500€
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus, which gives you a 100% match up to €500 on your deposit. Use bonus code ORCA1 when depositing. This bonus is for Canadian players only.
Minimum deposit20€
Bonuses & Restrictions
Time limit10 days
WageringNo wagering+
The bonus at Casino Orca is wager-free, but it is sticky: you keep only the winnings, not the bonus amount itself.
Casino Orca Bonuses
18+ Full Terms Apply. Play Responsibly.
420
Slotornado Casino
New 2026
100% up to 1000€ + 100 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus at Slotornado Casino, which gives you a 100% match up to €1,000 on your deposit. You also get 100 free spins worth €10 in total. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit20€
Bonuses & Restrictions
Max bet5€
Time limit7 days
Wagering40 x B+
Wagering is 40x on the bonus, which is above average. With a €100 deposit at 100%, you get a €100 bonus, and €100 x 40 = €4,000 in wagers. The 100 free spins carry 40x wagering on their winnings.
Slotornado Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
421
Pokerstars Casino
100% up to 500€ + 50 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least C$10 to claim this deposit bonus at Pokerstars Casino. You get a 100% match up to C$500 on your deposit plus 50 free spins. Use bonus code SPEZIAL500 when depositing.
Minimum deposit10€
Bonuses & Restrictions
Wagering40 x B+
You need to wager the bonus amount 40x, which is above average. With a C$100 deposit at 100%, you get a C$100 bonus, and C$100 x 40 = C$4,000 in wagers. The 50 free spins have 0x wagering on their winnings.
Pokerstars Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
422
Betsio Casino
Launched 2025Crypto Accepted
100% up to 10000€ + 100 free spins
Main details
Bonus type1st deposit bonus+
Betsio Casino matches your deposit 100% up to €10,000 and also gives you 100 free spins. Deposit at least €20 to claim it and use bonus code BETSIO when depositing.
Minimum deposit20€
Bonuses & Restrictions
Time limit7 days
Wagering40 x (D+B)+
Wagering 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 100 free spins carry 40x wagering on their winnings.
Betsio Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
423
WestAce
New 2026Crypto Accepted
100% up to 1000€ + 50 free spins
Main details
Bonus type1st deposit bonus+
WestAce matches your deposit 100% up to €1,000 and gives you 50 free spins worth €5. You get it on your qualifying deposit of at least €20. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit20€
Bonuses & Restrictions
Max bet5€
Time limit10
Wagering35 x (D+B)+
Wagering is 35x on your deposit plus bonus, which sits in the standard range. A €100 deposit gives you a €100 bonus, so €100 + €100 = €200 x 35 = €7,000 in wagers. The 50 free spins carry 35x wagering on their winnings, and max bet while wagering is €5 per round.
WestAce Bonuses
18+ Full Terms Apply. Play Responsibly.
424
PlayMojo Casino
Crypto Accepted
100% up to 1000€ + 100 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus at PlayMojo Casino. You get a 100% match up to €1,000 on your deposit plus 100 free spins on Gold Rush with Johnny Cash worth a total of €10. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit20€
Bonuses & Restrictions
Time limit3 days
Wagering40 x B+
The wagering on the matched cash is above average: the bonus amount carries 40x wagering. With a €100 deposit at 100% you get a €100 bonus, and €100 x 40 = €4,000 in wagers. The 100 free spins carry 40x wagering on their winnings.
PlayMojo Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
425
Lucky Vibe Casino
Crypto Accepted
100% up to 1000€ + 100 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. You also get 100 free spins on Book of the Fallen, worth €10 in total. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit20€
Bonuses & Restrictions
Time limit3 days
Wagering40 x B+
The wagering on the cash bonus is 40x on the bonus only, which is above average. With a €100 deposit at 100%, you get a €100 bonus, and €100 x 40 = €4,000 in wagers. The 100 free spins carry 40x wagering on their winnings.
Lucky Vibe Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
426
Spinia
100% up to 100€ + 25 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus from Spinia. You get a 100% match up to €100 on your deposit plus 25 free spins. Use bonus code PINACOLADA when depositing.
Minimum deposit20€
Bonuses & Restrictions
Wagering40 x B+
The 40x wagering on this bonus is above average and applies to the bonus amount only. With a €100 deposit you get a €100 bonus, and €100 x 40 = €4,000 in wagers. The 25 free spins have no wagering on their winnings, you can withdraw those straight away.
Spinia Bonuses
18+ Full Terms Apply. Play Responsibly.
427
Slot Spice Casino
New 2026
100% up to 400€
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus at Slot Spice Casino. You get a 100% match up to €400 on your deposit. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit20€
Bonuses & Restrictions
Max bet5€
Time limit48 hours
Wagering25 x (D+B)+
Wagering is 25x on your deposit plus bonus, which is below average. With a 100% match, a €100 deposit gives you a €100 bonus, and €100 + €100 = €200 x 25 = €5,000 in wagers.
Slot Spice Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
428
Shotz Casino
Crypto Accepted
100% up to 500€ + 200 free spins
Main details
Bonus type1st deposit bonus+
Shotz Casino matches your deposit 100% up to €500 and gives you 200 free spins worth €20 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
Max bet5€
Wagering45 x (D+B)+
Wagering on the cash bonus is 45x 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 45 = €9,000 in wagers. The 200 free spins carry 30x wagering on their winnings, and max bet while wagering is €5 per round.
Shotz Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
429
PlayToro Casino
100% up to 50€ + 25 free spins
Main details
Bonus type1st deposit bonus+
PlayToro Casino matches your deposit 100% up to €50 and gives you 25 free spins with your deposit bonus. 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
Wagering30 x (D+B)+
Wagering is 30x on your deposit plus bonus, which sits in the standard range. On a €100 deposit you get a €50 bonus, so you wager (€100 + €50) x 30 = €4,500 in total. The 25 free spins carry 60x wagering on their winnings.
PlayToro Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
430
BillionaireSpin Casino
Launched 2025Crypto Accepted
100% up to 150€ + 150 free spins
Main details
Bonus type1st deposit bonus+
BillionaireSpin Casino matches your deposit 100% up to €150 and adds 150 free spins. Deposit at least €15 to claim it. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit15€
Bonuses & Restrictions
Time limit7 days
Wagering35 x (D+B)+
Wagering is 35x on your deposit plus bonus, which sits in the standard range. With a €100 deposit you get a €100 bonus, so €100 + €100 = €200 x 35x = €7,000 in wagers. You have 7 days to clear it. The 150 free spins carry 35x wagering on their winnings.
BillionaireSpin Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
431
ShakeBet Casino
Launched 2025Crypto Accepted
100% up to 2000€ + 50 free spins
Main details
Bonus type1st deposit bonus+
ShakeBet Casino matches your deposit 100% up to €2,000 and gives you 50 free spins. This bonus is for players only. 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 B+
Wagering on the cash bonus is 35x on the bonus amount, which sits in the standard range. A €100 deposit gives you a €100 bonus, and €100 x 35 = €3,500 in wagers. The 50 free spins carry 35x wagering on their winnings.
ShakeBet Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
432
Qbet Casino
Crypto Accepted
100% up to 100€ + 100 free spins
Main details
Bonus type1st deposit bonus+
Qbet Casino matches your deposit 100% up to €100 and gives you 100 free spins worth €10.00 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
Time limit30 days
Wagering35 x B+
Wagering on the cash bonus is 35x the bonus amount, which sits in the standard range: a €100 deposit gives you a €100 bonus, and €100 x 35 = €3,500 in wagers. You have 30 days to clear it. The 100 free spins carry 40x wagering on their winnings.
Qbet Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
433
Pistolo Casino
Launched 2025Crypto Accepted
100% up to 500€ + 200 free spins
Main details
Bonus type1st deposit bonus+
Pistolo Casino matches your deposit 100% up to €500 and gives you 200 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 limit10 days
Wagering35 x (D+B)+
Wagering on this bonus is 35x your deposit plus bonus, which sits in the standard range. A €100 deposit gives you a €100 bonus, so €100 + €100 = €200, and €200 x 35 = €7,000 in wagers. The 200 free spins carry 40x wagering on their winnings, and max bet while wagering is €5 per round. You have 10 days to clear it.
Pistolo Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
434
Olympusbet Casino
Crypto Accepted
100% up to 500€ + 100 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus at Olympusbet 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 deposit20€
Bonuses & Restrictions
Time limit21 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.
Olympusbet Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
435
Nitrobet Casino
Crypto Accepted
100% up to 600€ + 100 free spins
Main details
Bonus type1st deposit bonus+
Nitrobet Casino matches your deposit 100% up to €600 and gives you 100 free spins on Space Gems Rockblocks, worth €10.00 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
Time limit10 days
Wagering35 x (D+B)+
Wagering on the cash bonus is 35x on your deposit plus bonus, which sits in the standard range. With a €100 deposit you get a €100 bonus, so €100 + €100 = €200, and €200 x 35 = €7,000 in total wagers before you can withdraw. The 100 free spins carry 40x wagering on their winnings.
Nitrobet Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
436
Goldenbet Casino
Crypto Accepted
100% up to 500€
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus at Goldenbet Casino. You get a 100% match up to €500 on your deposit. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit20€
Bonuses & Restrictions
Time limit30 days
Wagering35 x (D+B)+
The wagering requirement is 35x on your deposit plus bonus, which sits in the standard range. A €100 deposit gives you a €100 bonus, and €100 + €100 = €200 x 35 = €7,000 in wagers.
Goldenbet Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
437
Lamabet
Crypto Accepted
100% up to 1000€ + 300 free spins
Main details
Bonus type1st deposit bonus+
Lamabet matches your deposit 100% up to €1,000 and gives you 300 free spins worth €30 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 (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, and €200 x 40 = €8,000 in wagers. The 300 free spins carry 40x wagering on their winnings.
Lamabet Bonuses
18+ Full Terms Apply. Play Responsibly.

Sources

Malta Gambling Authority