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 2

Alina Anisimova, Isobel Coughlan

Updated:25.6.2026

63
Fatboss
Crypto Accepted
100% up to 50€ + 100 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €10 to claim this deposit bonus, which gives you a 100% match up to €50 on your deposit. You also get 100 free spins, and no bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit10€
Bonuses & Restrictions
Wagering30 x (D+B)+
The wagering on the cash bonus sits in the standard range at 30x on your deposit plus bonus. With a €100 deposit you get a €50 bonus (the maximum), and €100 + €50 = €150 x 30 = €4,500 in wagers. The 100 free spins carry 30x wagering on their winnings.
Not Available
Fatboss Bonuses
18+ Full Terms Apply. Play Responsibly.

64
Hiperwin Casino
Crypto Accepted
100% up to 200€
Main details
Bonus type1st deposit bonus+
Hiperwin Casino matches your deposit 100% up to €200 as a regular deposit bonus. 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 is 35x on the bonus amount, 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. You have 30 days to clear it.
Not Available
Hiperwin Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
65
Lucky Twice Casino
Crypto Accepted
100% up to 1000€ + 100 free spins
Main details
Bonus type1st deposit bonus+
Lucky Twice Casino matches your deposit 100% up to €1,000 and gives you 100 free spins with your 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 limit7 days
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. You have 7 days to clear it. The 100 free spins carry 40x wagering on their winnings.
Not Available
Lucky Twice Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
66
Pokobet
Launched 2025Crypto Accepted
100% up to 500€ + 50 free spins
Main details
Bonus type1st deposit bonus+
Pokobet matches your deposit 100% up to €500 and adds 50 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 limit7 days
Wagering35 x (D+B)+
Wagering on the cash bonus at Pokobet is 35x on your deposit plus bonus, which sits in the standard range. With a €100 deposit you get a €100 bonus, so you wager €100 + €100 = €200 x 35 = €7,000 in total bets, and the bonus is sticky, you play with it but only withdraw the winnings. The 50 free spins carry 40x wagering on their winnings, and max bet while wagering is €5 per round.
Not Available
Pokobet Bonuses
18+ Full Terms Apply. Play Responsibly.
67
Richard Casino
100% up to 1000€ + 100 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus at Richard 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
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.
Not Available
Richard Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
68
Slotland Casino
Exclusive BonusCrypto Accepted
100% up to 1000€
Main details
Bonus type1st deposit bonus+
Deposit at least €25 to claim this deposit bonus at Slotland Casino. You get a 100% match up to €33 on your deposit, and winnings from the bonus are capped at €100. Use bonus code FREE33MRGM when depositing, and this bonus is for Canadian players only.
Minimum deposit25€
Bonuses & Restrictions
Time limit90 days
Wagering25 x B+
The wagering requirement is 25x on the bonus only, which is below average. With a €100 deposit at 100% you would get a €33 bonus (the maximum), and €33 x 25 = €825 in wagers.
Not Available
Slotland Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
69
Winaday Casino
Crypto Accepted
100% up to 100€
Main details
Bonus type1st deposit bonus+
Deposit at least €25 to claim this deposit bonus at Winaday Casino, which gives you a 100% match up to €100 on your deposit. Use bonus code WELCOME1 when depositing.
Minimum deposit25€
Bonuses & Restrictions
Time limit90 days
Wagering25 x+
The 25x wagering on this welcome bonus is below average for this type of offer. With a €100 deposit you get a €100 bonus, and €100 x 25 = €2,500 in wagers.
Not Available
Winaday Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
70
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.
Not Available
Shotz Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
71
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.
Not Available
Olympusbet Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
72
Instaspin Casino
Crypto Accepted
100% up to 100€ + 100 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus at Instaspin Casino, which gives you a 100% match up to €100 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 limit30 days
Wagering30 x (D+B)+
The wagering requirement is 30x on your deposit plus bonus, which sits in the standard range. A €100 deposit gives you a €100 bonus, and €100 + €100 = €200 x 30 = €6,000 in wagers. The 100 free spins carry 30x wagering on their winnings.
Not Available
Instaspin Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
73
WinMega Casino
Launched 2025Crypto Accepted
100% up to 200€ + 25 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus at WinMega Casino, which gives you a 100% match up to €200 on your deposit. Use bonus code WELCOME200 when depositing and you get 25 free spins worth €2.50 in total.
Minimum deposit20€
Bonuses & Restrictions
Max bet12€
Time limit21 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 €100 + €100 = €200 x 40 = €8,000 in wagers. The 25 free spins carry 40x wagering on their winnings.
Not Available
WinMega Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
74
TornadoBet Casino
100% up to 200€
Main details
Bonus type1st deposit bonus+
TornadoBet Casino matches your deposit 100% up to €200 on this deposit bonus, so you get the same amount as bonus funds as you put in, up to the cap. 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
Wagering25 x (D+B)+
Wagering is 25x on your deposit plus bonus, which is below average. With a €100 deposit you get a €100 bonus, so €100 + €100 = €200 x 25x = €5,000 in wagers. You have 30 days to clear it.
Not Available
TornadoBet Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
75
Casinova Casino
Crypto Accepted
100% up to 500€ + 200 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus at Casinova 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 on the cash bonus is in the standard range at 35x on both your deposit and bonus. With a €100 deposit you get a €100 bonus, and €100 + €100 = €200 x 35 = €7,000 in wagers. The 200 free spins carry 40x wagering on their winnings.
Not Available
Casinova Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
76
FatPirate Casino
100% up to 500€ + 200 free spins
Main details
Bonus type1st deposit bonus+
FatPirate 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
Time limit30 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 wagers. The 200 free spins carry 40x wagering on their winnings.
Not Available
FatPirate Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
77
GalacticWins Casino
100% up to 500€ + 50 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus at GalacticWins Casino, which gives you a 100% match up to €500 on your deposit. You also get 50 free spins, and no bonus code is needed, the bonus activates on your qualifying deposit. Winnings from the bonus are capped at €1,000.
Minimum deposit20€
Bonuses & Restrictions
Time limit7 days
Wagering40 x (D+B)+
The wagering on the cash bonus is 40x 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 50 free spins carry 0x wagering on their winnings.
Not Available
GalacticWins Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
78
Casinomax
100% up to 3250€
Main details
Bonus type1st deposit bonus+
Deposit at least €35 to claim this deposit bonus at Casinomax. You get a 100% match up to €3,250 on your deposit. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit35€
Bonuses & Restrictions
Max bet10€
Wagering40 x B+
The wagering requirement 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.
Not Available
Casinomax Bonuses
18+ Full Terms Apply. Play Responsibly.
79
Bankonbet Casino
Crypto Accepted
100% up to 500€ + 200 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus at Bankonbet Casino, which gives you a 100% match up to €500 on your deposit. You also get 200 bonus 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)+
Wagering is 35x on your deposit plus bonus, which sits in the standard range. With a €100 deposit at 100%, you get a €100 bonus, so €100 + €100 = €200 x 35 = €7,000 in wagers. The 200 free spins carry 40x wagering on their winnings.
Not Available
Bankonbet Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
80
Slot Lion Casino
New 2026
100% up to 400€
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus at Slot Lion 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)+
The wagering is 25x on your deposit plus bonus, which is below average. A €100 deposit gives you a €100 bonus, so €100 + €100 = €200 x 25 = €5,000 in wagers.
Not Available
Slot Lion Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
81
Immerion Casino
Crypto Accepted
100% up to 1000€ + 100 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €15 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 Sweet Bonanza 1000, worth €10 in total. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit15€
Bonuses & Restrictions
Time limit30 days
Wagering40 x (D+B)+
The 40x wagering on this bonus is above average and applies to both your deposit and your bonus. With a €100 deposit on a 100% match, you get a €100 bonus, and €100 + €100 = €200 x 40 = €8,000 in wagers. The 100 free spins carry 40x wagering on their winnings.
Not Available
Immerion Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
82
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.
Not Available
bCasino Bonuses
18+ Full Terms Apply. Play Responsibly.
83
Shinywilds Casino
Launched 2025Crypto Accepted
100% up to 500€ + 100 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus at Shinywilds Casino: you get a 100% match up to €500 on your deposit. You also get 100 free spins on Wild Walker, worth €10 in total. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit20€
Bonuses & Restrictions
Time limit7 days
Wagering30 x B+
The 100% bonus at Shinywilds Casino has 30x wagering 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. The 100 free spins carry 30x wagering on their winnings.
Not Available
Shinywilds Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
84
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.
Not Available
Mama.bet Bonuses
18+ Full Terms Apply. Play Responsibly.
85
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.
Not Available
Slot Spice Casino Bonuses
18+ Full Terms Apply. Play Responsibly.

Sources

Malta Gambling Authority