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 27

Alina Anisimova, Isobel Coughlan

Updated:25.6.2026

599
All Spins Casino
100% up to 1000€ + 75 free spins
Main details
Bonus type1st deposit bonus+
All Spins Casino matches your deposit 100% up to €1,000 and gives you 75 free spins worth €7.50 in total. Deposit at least €60 to claim it. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit60€
Bonuses & Restrictions
Max bet5€
Time limit10 days
Wagering50 x B+
Wagering at All Spins Casino is on the high side: 50x applies to the bonus amount. A €100 deposit gives you a €100 bonus, and €100 x 50 = €5,000 in wagers. The 75 free spins carry 40x wagering on their winnings, and max bet while wagering is €5 per round. You have 10 days to clear it.
All Spins Casino Bonuses
18+ Full Terms Apply. Play Responsibly.

600
BoaBoa Casino
100% up to 500€ + 200 free spins
Main details
Bonus type1st deposit bonus+
BoaBoa 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
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. The 200 free spins carry 0x wagering on their winnings.
BoaBoa Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
601
Betspino Casino
100% up to 300€
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus at Betspino Casino. 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
Time limit10 days
Wagering40 x (D+B)+
The 40x wagering on this welcome bonus is above average and applies to both your deposit and the bonus. With a €100 deposit at 100%, you get a €100 bonus, so €100 + €100 = €200 x 40 = €8,000 in wagers.
Betspino Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
602
BetGCC
100% up to 1500€ + 100 free spins
Main details
Bonus type1st deposit bonus+
BetGCC matches your deposit 100% up to €1,500 and gives you 100 free spins on Big Bass Bonanza, worth €10 in total. Deposit at least €20 to claim it and use bonus code BETGCC when depositing.
Minimum deposit20€
Bonuses & Restrictions
Time limit7 days
Wagering40 x B+
Wagering on the cash bonus is 40x the bonus amount, 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 7 days to clear it. The 100 free spins carry 40x wagering on their winnings.
BetGCC Bonuses
18+ Full Terms Apply. Play Responsibly.
603
22 Bet
100% up to 300€
Main details
Bonus type1st deposit bonus+
Deposit at least €1 to claim this deposit bonus at 22 Bet. You get a 100% match up to €300 on your deposit. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit1€
Bonuses & Restrictions
Time limit7 days
Wagering35 x B+
Wagering is 35x on the bonus only, which sits in the standard range. With a €100 deposit at 100%, you get a €100 bonus, and €100 x 35 = €3,500 in wagers.
22 Bet Bonuses
18+ Full Terms Apply. Play Responsibly.
604
20bet
100% up to 100€ + 120 free spins
Main details
Bonus type1st deposit bonus+
20bet matches your deposit 100% up to €100 and gives you 120 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
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 120 free spins carry 40x wagering on their winnings.
20bet Bonuses
18+ Full Terms Apply. Play Responsibly.
605
Boo Casino
100% up to 500€ + 50 free spins
Main details
Bonus type1st deposit bonus+
Boo Casino matches your deposit 100% up to €500 and also gives you 50 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
Wagering30 x (D+B)+
You face 30x wagering 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 30 = €6,000 in wagers. The 50 free spins carry 25x wagering on their winnings.
Boo Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
606
Casino Sieger
Exclusive Bonus
100% up to 200€
Main details
Bonus type1st deposit bonus+
Casino Sieger matches your deposit 100% up to €200, so you can double your balance with this 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
Wagering30 x (D+B)+
Wagering is 30x on your deposit plus bonus, which lands in the standard range. With a €100 deposit you get a €100 bonus, so €100 + €100 = €200 x 30 = €6,000 in wagers. The bonus is sticky: you play with it but only withdraw the winnings.
Casino Sieger Bonuses
18+ Full Terms Apply. Play Responsibly.
607
Bob Casino
100% up to 100€ + 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 €100 on your deposit. Use bonus code BEHAPPY when depositing and you get 100 free spins on top.
Minimum deposit20€
Bonuses & Restrictions
Wagering40 x B+
The wagering is 40x on the bonus amount, 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 0x wagering on their winnings.
Bob Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
608
Avalon78 Casino
100% up to 100€ + 100 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus at Avalon78 Casino. You get a 100% match up to €100 on your deposit plus 100 free spins. Use bonus code AVALON100 when depositing.
Minimum deposit20€
Bonuses & Restrictions
Wagering40 x B+
The wagering on the cash bonus is 40x on the bonus amount, 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.
Avalon78 Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
609
CasinoCasino
100% up to 25€
Main details
Bonus type1st deposit bonus+
Deposit at least €10 to claim this deposit bonus, which gives you a 100% match up to €25 on your deposit. No bonus code is needed, the bonus activates on your qualifying deposit. This bonus is for UK players only.
Minimum deposit10€
Bonuses & Restrictions
Max bet2€
Wagering10 x B+
The wagering is on the low side at 10x on the bonus amount. With a €100 deposit at 100%, your bonus would be €25 (the maximum), and €25 x 10 = €250 in wagers. Free spin winnings have no wagering, you can withdraw them right away.
CasinoCasino Bonuses
18+ Full Terms Apply. Play Responsibly. Cashback will be paid from your deposits. You can claim the cashback 24h after your deposits
610
bCasino
Exclusive Bonus
100% up to 25€
Main details
Bonus type1st deposit bonus+
bCasino matches your deposit 100% up to €25 as a straightforward deposit bonus. Deposit at least €5 to claim it. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit5€
Bonuses & Restrictions
Wagering50 x B+
Wagering on the cash bonus is 50x the bonus amount, which is on the high side. With a €100 deposit at 100%, the bonus you work with in the example is capped at €25, so you need to wager €25 x 50 = €1,250.
bCasino Bonuses
18+ Full Terms Apply. Play Responsibly.
611
Caxino Casino
100% up to 100€ + 100 free spins
Main details
Bonus type1st deposit bonus+
Caxino Casino matches your deposit 100% up to €100 and gives you 100 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 limit60 days
Wagering35 x B+
Wagering 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. The 100 free spins carry 35x wagering on their winnings, you have 60 days to clear it, and max bet while wagering is €5 per round.
Caxino Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
612
Casino Heroes
100% up to 100€
Main details
Bonus type1st deposit bonus+
Deposit at least €10 to claim this deposit bonus at Casino Heroes, where you get a 100% match up to €100 on your deposit. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit10€
Bonuses & Restrictions
Wagering40 x B+
The €100% bonus carries 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.
Casino Heroes Bonuses
18+ Full Terms Apply. Play Responsibly.
613
Jazzy Spins
100% up to 25€ + 40 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least £10 to claim this deposit bonus from Jazzy Spins. You get a 100% match up to £25 on your deposit, plus 40 bonus spins, and no bonus code is needed, the bonus activates on your qualifying deposit. This bonus is for UK players only.
Minimum deposit10€
Bonuses & Restrictions
Wagering10 x+
The wagering requirement on the matched cash bonus is 10x on the bonus only, which sits on the low side. With a £100 deposit at 100%, your bonus would be £25 (the maximum), and £25 x 10 = £250 in wagers. The 40 bonus spins carry 10x wagering on their winnings.
Jazzy Spins Bonuses
18+ Full Terms Apply. Play Responsibly.
614
Vipsta 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, which gives you a 100% match up to €1,000 on your deposit at Vipsta Casino. You also get 100 free spins with this offer. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit20€
Bonuses & Restrictions
Time limit10 days
Wagering40 x (D+B)+
The 40x wagering on this offer applies to both your deposit and bonus, which sits in the above average range. A €100 deposit gives you a €100 bonus, so €100 + €100 = €200 x 40 = €8,000 in wagers. The 100 free spins carry 35x wagering on their winnings.
Vipsta Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
615
Winberry Casino
New 2026
100% up to 900€ + 250 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €10 to claim this deposit bonus at Winberry Casino. You get a 100% match up to €900 plus 250 free spins on your deposit. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit10€
Bonuses & Restrictions
Max bet5€
Time limit7 days
Wagering45 x B+
Wagering is on the high side at 45x on the bonus amount. With a €100 deposit at 100% you get a €100 bonus, and €100 x 45 = €4,500 in wagers. The 250 free spins carry 45x wagering on their winnings.
Winberry Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
616
FireVegas Casino
100% up to 200€ + 25 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus at FireVegas Casino, where you get a 100% match up to €200 on your deposit. You also get 25 free spins. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit20€
Bonuses & Restrictions
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 25 free spins have 0x wagering on their winnings.
FireVegas Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
617
Huippukasino
Launched 2025
100% up to 300€ + 30 free spins
Main details
Bonus type1st deposit bonus+
Huippukasino matches your deposit 100% up to €300 and gives you 30 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
Time limit30 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 30 free spins carry 0x wagering on their winnings.
Huippukasino Bonuses
18+ Full Terms Apply. Play Responsibly.
618
Mahti Kasino
Exclusive Bonus
100% up to 500€ + 50 free spins
Main details
Bonus type1st deposit bonus+
Mahti Kasino matches your deposit 100% up to €500 and gives you 50 free spins worth €5 in total on your qualifying deposit. Deposit at least €25 to claim it. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit25€
Bonuses & Restrictions
Wagering40 x (D+B)+
Wagering 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 50 free spins carry 40x wagering on their winnings.
Mahti Kasino Bonuses
18+ Full Terms Apply. Play Responsibly.
619
Lilibet Casino
100% up to 750€
Main details
Bonus type1st deposit bonus+
Lilibet Casino matches your deposit 100% up to €750, and winnings are capped at €3,000. Deposit at least €20 to claim it, and no bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit20€
Bonuses & Restrictions
Time limit7 days
Wagering30 x B+
Wagering on the cash bonus is 30x on the bonus amount, which sits in the standard range. With a €100 deposit you get a €100 bonus, and €100 x 30 = €3,000 in wagers. You have 7 days to clear it.
Lilibet Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
620
Lucky Spins
100% up to 200€ + 20 free spins
Main details
Bonus type1st deposit bonus+
Lucky Spins matches your deposit 100% up to €200 and gives you 20 free spins worth €2 in total (€0.10 each). 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 is 35x on the bonus amount, which is 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 20 free spins carry 0x wagering on their winnings.
Lucky Spins Bonuses
18+ Full Terms Apply. Play Responsibly.
621
Moana Casino
Launched 2025
100% up to 2000€
Main details
Bonus type1st deposit bonus+
Deposit at least €25 to claim this deposit bonus, which gives you a 100% match up to €2,000 on your deposit. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit25€
Bonuses & Restrictions
Time limit30 days
Wagering30 x (D+B)+
Wagering is 30x on your deposit plus bonus, which sits in the standard range. With a €100 deposit and a 100% match you get a €100 bonus, so €100 + €100 = €200 x 30 = €6,000 in wagers.
Moana Casino Bonuses
18+ Full Terms Apply. Play Responsibly.

Sources

Malta Gambling Authority