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 7

Alina Anisimova, Isobel Coughlan

Updated:25.6.2026

139
BetandPlay Casino
Exclusive BonusCrypto Accepted
150% up to 500€ + 50 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €30 to claim this deposit bonus, which gives you a 150% match up to €500 on your deposit from BetandPlay Casino. Use bonus code GMBL150 when depositing, and you get 50 free spins on Gates of Olympus 1000 worth €5 in total. Winnings from the bonus are capped at €5,000.
Minimum deposit30€
Bonuses & Restrictions
Wagering45 x B+
The 45x wagering on the bonus is on the high side. A €100 deposit gives you a €150 bonus, and €150 x 45 = €6,750 in wagers. The 50 free spins carry 45x wagering on their winnings.
BetandPlay Casino Bonuses
18+ Full Terms Apply. Play Responsibly. To claim your 150% Exclusive Bonus, enter the bonus code GMBL150 when making your deposit.

140
BeOnBet Casino
Launched 2025
150% up to 400€ + 100 free spins
Main details
Bonus type1st deposit bonus+
BeOnBet Casino matches your deposit 150% up to €400 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 limit10 days
Wagering40 x B+
Wagering on the 150% cash bonus is 40x on the bonus amount, which is on the above average side. A €100 deposit gives you a €150 bonus, and €150 x 40 = €6,000 in wagers. The 100 free spins carry 40x wagering on their winnings, and max bet while wagering is €5 per round. You have 10 days to clear it.
BeOnBet Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
141
AvoCasino
Crypto Accepted
150% without limit + 50 free spins
Main details
Bonus type1st deposit bonus+
AvoCasino matches your deposit 150% and gives you 50 free spins on Elvis Frog, worth €20 in total at €0.40 per spin. Deposit at least €20 to claim it, and use bonus code AVOGAME when depositing.
Minimum deposit20€
Bonuses & Restrictions
Wagering35 x (D+B)+
Wagering on the cash bonus is 35x on your deposit plus bonus, which sits in the standard range. If you deposit €100 you get a €150 bonus, so €100 + €150 = €250 x 35 = €8,750 in wagers. The 50 free spins carry 35x wagering on their winnings.
AvoCasino Bonuses
18+ Full Terms Apply. Play Responsibly.
142
AMPM Casino
Crypto Accepted
150% up to 300€
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus at AMPM Casino, which gives you a 150% match up to €300 on your deposit. Use bonus code FB300 when depositing. Winnings from the bonus are capped at €1,500.
Minimum deposit20€
Bonuses & Restrictions
Max bet3€
Wagering45 x D+
The wagering requirement is 45x on the high side and it applies to your deposit only. With a €100 deposit, you get a €150 bonus, but wagering is based on your €100 deposit only, so a €100 deposit means €100 x 45 = €4,500 in wagers, on your deposit only.
AMPM Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
143
Mega.bet
Launched 2025Crypto Accepted
150% up to 5000€ + 177 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €25 to claim this deposit bonus, which gives you a 150% match up to €5,000 on your deposit. You also get 177 free spins on Piggy Bonanza. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit25€
Bonuses & Restrictions
Time limit5 days
Wagering35 x B+
The wagering requirement is 35x on the bonus amount, which sits in the standard range. With a €100 deposit you get a €150 bonus, and €150 x 35 = €5,250 in wagers. The 177 free spins carry 35x wagering on their winnings.
Mega.bet Bonuses
18+ Full Terms Apply. Play Responsibly.
144
SpinFever Casino
Exclusive BonusCrypto Accepted
150% up to 500€ + 50 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €30 to claim this deposit bonus at SpinFever Casino, which gives you a 150% match up to €500 on your deposit. Use bonus code GMBL150 when depositing, and you get 50 free spins on Gates of Olympus 1000 worth €5 in total, with winnings from the bonus capped at €5,000.
Minimum deposit30€
Bonuses & Restrictions
Wagering45 x B+
The €100 deposit bonus at SpinFever Casino has 45x wagering on the bonus amount, which is on the high side. A €100 deposit gives you a €150 bonus, and €150 x 45 = €6,750 in wagers. The 50 free spins carry 45x wagering on their winnings.
SpinFever Casino Bonuses
18+ Full Terms Apply. Play Responsibly. Exclusive bonus is available after a successful registration.
145
SpinPlatinum Casino
Launched 2025Crypto Accepted
150% up to 1000€ + 100 free spins
Main details
Bonus type1st deposit bonus+
SpinPlatinum Casino matches your deposit 100% up to €500 and you get 100 free spins on Wilds Of Fortune, Birds!, or Fruit Zen. Deposit at least €20 to claim it and use bonus code SPWELCOME when depositing.
Minimum deposit20€
Bonuses & Restrictions
Time limit21 days
Wagering40 x (D+B)+
Wagering on the cash bonus is 40x on your deposit plus bonus, which is on the high side. A €100 deposit gives you a €100 bonus, so you wager €100 + €100 = €200 x 40 = €8,000 in total bets. You have 21 days to clear it. The 100 free spins carry 40x wagering on their winnings.
SpinPlatinum Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
146
Mino Casino
New 2026Crypto Accepted
150% up to 500€ + 150 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus at Mino Casino. You get a 150% match up to €500 on your deposit, plus 150 free spins on Bonanza Trillion by Bgaming worth €15 in total. Use bonus code MRGMBL150 when depositing.
Minimum deposit20€
Bonuses & Restrictions
Wagering45 x+
The wagering on the cash bonus at Mino Casino is 45x on the bonus amount, which is on the high side. A €100 deposit gives you a €150 bonus, and €150 x 45 = €6,750 in wagers.
Mino Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
147
Lollyspins Casino
Exclusive BonusLaunched 2025Crypto Accepted
150% up to 500€ + 100 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus at Lollyspins Casino, which gives you a 150% match up to €500 on your deposit. You also get 100 free spins on Wanted Dead or a Wild. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit20€
Bonuses & Restrictions
Time limit10 days
Wagering40 x B+
The wagering is 40x on the bonus amount, which is above average. With a €100 deposit at 150%, you get a €150 bonus, and €150 x 40 = €6,000 in wagers. The 100 free spins carry 35x wagering on their winnings.
Lollyspins Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
148
Betti Casino
Crypto Accepted
150% up to 750€ + 150 free spins
Main details
Bonus type1st deposit bonus+
Betti Casino matches your deposit 150% up to €750 and gives you 150 free spins worth €15 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€
Time limit30 days
Wagering45 x B+
Wagering on the welcome bonus at Betti Casino is 45x the bonus amount, which is on the high side. With a €100 deposit you get a €150 bonus, and €150 x 45 = €6,750 in wagers. The 150 free spins carry 45x wagering on their winnings, max bet while wagering is €5 per round, and you have 30 days to clear it.
Betti Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
149
Betizy Casino
Launched 2025Crypto Accepted
150% up to 2000€
Main details
Bonus type1st deposit bonus+
Betizy Casino matches your deposit 150% up to €2,000 as a deposit bonus. Deposit at least €25 to claim it. 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. On a €100 deposit you get a €150 bonus, so you wager (€100 + €150) = €250 x 30 = €7,500 in total bets. You have 30 days to clear it.
Betizy Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
150
Campeonbet
150% up to 200€
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus. You get a 150% match up to €200 on your deposit from Campeonbet. 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. With a €100 deposit, the 150% match gives you a €150 bonus, so €100 + €150 = €250 x 40 = €10,000 in wagers.
Campeonbet Bonuses
18+ Full Terms Apply. Play Responsibly.
151
Spinimax Casino
New 2026Crypto Accepted
150% up to 750€ + 150 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus at Spinimax Casino, which gives you a 150% match up to €750 on your deposit. You also get 150 free spins on Gold Canyon, Quest to the West and more. No bonus code is needed, the bonus activates on your qualifying deposit. Winnings from the bonus are capped at €7,500.
Minimum deposit20€
Bonuses & Restrictions
Max bet12€
Time limit21 days
Wagering30 x B+
Wagering is 30x on the bonus only, which sits in the standard range. With a €100 deposit you get a €150 bonus, and €150 x 30 = €4,500 in wagers. The 150 free spins carry 30x wagering on their winnings.
Spinimax Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
152
Betportal Casino
New 2026Crypto Accepted
150% up to 500€ + 20 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus at Betportal Casino, which gives you a 150% match up to €500 on your deposit. You also get 20 free spins on Wild West Trueways worth €2 in total. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit20€
Bonuses & Restrictions
Max bet5€
Time limit14 days
Wagering35 x B+
The wagering requirement is 35x on the bonus only, which sits in the standard range. With a €100 deposit you get a €150 bonus, and €150 x 35 = €5,250 in wagers. The 20 free spins carry 35x wagering on their winnings.
Betportal Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
153
Power Slots Casino
150% up to 100€ + 10 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus at Power Slots Casino: you get a 150% match up to €100 on your deposit. You also get 10 free spins on Bigger Bass Bonanza, worth a total of €1. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit20€
Bonuses & Restrictions
Wagering10 x B+
Wagering is 10x on the bonus only, which is on the low side. With a €100 deposit you get a €150 bonus, and €150 x 10 = €1,500 in wagers. The 10 free spins have 0x wagering on winnings, so anything you win from them is paid in cash.
Power Slots Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
154
Lumo Casino
Exclusive Bonus
150% up to 500€ + 100 free spins
Main details
Bonus type1st deposit bonus+
Lumo Casino matches your deposit 150% up to €500 and gives you 100 free spins worth €10 in total on your qualifying deposit. 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 on the welcome bonus at Lumo Casino is 40x on your deposit plus bonus, which is on the above average side. A €100 deposit gives you a €150 bonus, so €100 + €150 = €250 x 40 = €10,000 in wagers. The 100 free spins carry 40x wagering on their winnings.
Lumo Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
155
VegasNow Casino
Launched 2025Crypto Accepted
150% up to 1500€ + 200 free spins
Main details
Bonus type1st deposit bonus+
VegasNow Casino matches your deposit 150% up to €1,500 and gives you 200 free spins with your qualifying deposit. 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
Wagering40 x (D+B)+
Wagering is 40x on your deposit plus bonus, which sits on the above average side. With a €100 deposit you get a €150 bonus, so €100 + €150 = €250 x 40 = €10,000 in wagers. You have 7 days to clear it, and the 200 free spins carry 40x wagering on their winnings.
VegasNow Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
156
Hot Streak Slots
150% up to 500€ + 50 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €10 to claim this deposit bonus, where you get a 150% match up to €500 on your deposit. You also get 50 free spins worth €5 in total. No bonus code is needed, the bonus activates on your qualifying deposit at Hot Streak Slots.
Minimum deposit10€
Bonuses & Restrictions
Time limit28 days
Wagering40 x (D+B)+
The wagering requirement is 40x on your deposit plus bonus, which is above average. With a €100 deposit at 150%, you get a €150 bonus, so €100 + €150 = €250 x 40 = €10,000 in wagers. The 50 free spins carry 40x wagering on their winnings.
Hot Streak Slots Bonuses
18+ Full Terms Apply. Play Responsibly.
157
Vave Casino
Crypto Accepted
150% up to BTC 1.5 + 100 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least 20 BTC to claim this deposit bonus at Vave Casino. You get a 150% match up to 1.5 BTC on your deposit, plus 100 free spins. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum depositUSDT 20
Bonuses & Restrictions
Time limit30 days
Wagering40 x B+
Wagering is 40x on the bonus, which is above average. With a 150% match, a 100 BTC deposit gives you a 150 BTC bonus, and 150 BTC x 40 = 6,000 BTC in wagers. The 100 free spins carry 40x wagering on their winnings.
Vave Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
158
CrazePlay
150% up to 150€ + 25 free spins
Main details
Bonus type1st deposit bonus
Bonus value150%
Maximum bonus150€
Freespins25
Bonuses & Restrictions
Minimum deposit20€
Wagering requirement40 x (D+B)
Available for withdrawalYes
CrazePlay Bonuses
18+ Full Terms Apply. Play Responsibly.
159
AmunBet Casino
New 2026Crypto Accepted
150% up to 1000€ + 100 free spins
Main details
Bonus type1st deposit bonus
Bonus value150%
Maximum bonus1000€
Freespins100
Bonuses & Restrictions
Minimum deposit20€
Wagering requirement35 x B
Available for withdrawalYes
Expiry time7 days
Freespins validity3 days
AmunBet Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
160
Froggybet Casino
Launched 2025Crypto Accepted
140% up to 1000€
Main details
Bonus type1st deposit bonus+
Froggybet Casino matches your deposit 140% up to €1,000 as a deposit bonus. Deposit at least €25 to claim it. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit25€
Bonuses & Restrictions
Max bet5€
Time limit30 days
Wagering40 x (D+B)+
Wagering is 40x on your deposit plus bonus, which is on the above average side. A €100 deposit gives you a €140 bonus, so you wager €100 + €140 = €240 x 40 = €9,600 in total bets before you can withdraw the bonus money. Max bet while wagering is €5 per round, and you have 30 days to clear it.
Froggybet Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
161
Blindluck Casino
Launched 2025Crypto Accepted
140% up to 1000€
Main details
Bonus type1st deposit bonus+
Deposit at least €25 to claim this deposit bonus, which gives you a 140% match up to €1,000 on your deposit at Blindluck Casino. No bonus code is needed, the bonus activates on your qualifying deposit, and this bonus is for international players from the listed eligible countries.
Minimum deposit25€
Bonuses & Restrictions
Time limit45 days
Wagering35 x B+
The wagering requirement is 35x on the bonus amount, which sits in the standard range. With a €100 deposit you get a €140 bonus, and €140 x 35 = €4,900 in wagers.
Blindluck Casino Bonuses
18+ Full Terms Apply. Play Responsibly.

Sources

Malta Gambling Authority