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 16

Alina Anisimova, Isobel Coughlan

Updated:25.6.2026

346
LuckyDays
100% up to 100€ + 100 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least £20 to claim this deposit bonus at LuckyDays. You get a 100% match up to £100 plus 100 free spins with your deposit. No bonus code is needed, the bonus activates on your qualifying deposit, and this bonus is for UK players only.
Minimum deposit20€
Bonuses & Restrictions
Wagering25 x (D+B)+
The wagering on this offer is below average at 25x your deposit plus bonus. With a £100 deposit you get a £100 bonus, and £100 + £100 = £200 x 25 = £5,000 in wagers. The 100 free spins carry 0x wagering on their winnings.
LuckyDays Bonuses
18+ Full Terms Apply. Play Responsibly.

347
Luckywins 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, which gives you a 100% match up to €500 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 B+
Wagering is 40x 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 100 free spins carry 40x wagering on their winnings.
Luckywins Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
348
Mainiokasino
Launched 2025
100% up to 300€ + 25 free spins
Main details
Bonus type1st deposit bonus+
Mainiokasino matches your deposit 100% up to €300 and gives you 25 free spins on Reactoonz worth €2.50 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 x 40 = €8,000 in wagers. The 25 free spins carry 40x wagering on their winnings.
Mainiokasino Bonuses
18+ Full Terms Apply. Play Responsibly.
349
Mangacasino
Crypto Accepted
100% up to 100€ + 50 free spins
Main details
Bonus type1st deposit bonus+
Mangacasino matches your deposit 100% up to €100 and adds 50 free spins worth €5 in total. You get this deposit bonus on your qualifying deposit. 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 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 50 free spins carry 40x wagering on their winnings.
Mangacasino Bonuses
18+ Full Terms Apply. Play Responsibly.
350
Nitro Casino
100% up to 100€ + 20 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €10 to claim this deposit bonus at Nitro Casino, where you get a 100% match up to €100 on your deposit. Use bonus code NITRO when depositing, and you also get 20 free spins worth €2 in total.
Minimum deposit10€
Bonuses & Restrictions
Time limit21 days
Wagering35 x B+
The 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. The 20 free spins carry 35x wagering on their winnings.
Nitro Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
351
NovaDreams Casino
Crypto Accepted
100% up to 2000€ + 100 free spins
Main details
Bonus type1st deposit bonus+
NovaDreams Casino matches your deposit 100% up to €2,000 and gives you 100 free spins worth €10 in total. 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 limit3 days
Wagering40 x B+
Wagering on the cash bonus is 40x on 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. The 100 free spins carry 40x wagering on their winnings. You have 3 days to clear it.
NovaDreams Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
352
Omni Slots Casino
100% up to 300€ + 50 free spins
Main details
Bonus type1st deposit bonus+
Omni Slots Casino matches your deposit 100% up to €300 and gives you 50 free spins. Deposit at least €10 to claim it and use bonus code 50FREE when depositing.
Minimum deposit10€
Bonuses & Restrictions
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 50 free spins carry 0x wagering on their winnings.
Omni Slots Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
353
Optibet
100% up to 100€
Main details
Bonus type1st deposit bonus+
Optibet matches your deposit 100% up to €100 as a straight 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 B+
Wagering on the cash bonus is 30x on the bonus amount, which sits in the standard range. A €100 deposit gives you a €100 bonus, and €100 x 30 = €3,000 in wagers. Free spins winnings are wager-free, you can withdraw them any time.
Optibet Bonuses
18+ Full Terms Apply. Play Responsibly.
354
PlayFortuna
Crypto Accepted
100% up to 500€ + 90 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €10 to claim this deposit bonus at PlayFortuna, which gives you a 100% match up to €500 on your deposit. You also get 90 free spins with this offer.
Minimum deposit10€
Bonuses & Restrictions
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 90 free spins carry 40x wagering on their winnings.
PlayFortuna Bonuses
18+ Full Terms Apply. Play Responsibly.
355
Playjango
100% up to 100€ + 25 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 £100 on your deposit. You also get 25 bonus spins with your deposit. No bonus code is needed, the bonus activates on your qualifying deposit at Playjango.
Minimum deposit10€
Bonuses & Restrictions
Wagering30 x (D+B)+
The wagering on the cash bonus is in the standard range at 30x your deposit plus bonus. A £100 deposit gives you a £100 bonus, and £100 + £100 = £200 x 30 = £6,000 in wagers. The 25 bonus spins carry 60x wagering on their winnings.
Playjango Bonuses
18+ Full Terms Apply. Play Responsibly.
356
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.
Pokobet Bonuses
18+ Full Terms Apply. Play Responsibly.
357
Queenspins
100% up to 200€
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus at Queenspins. You get a 100% match up to €200 on your deposit. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit20€
Bonuses & Restrictions
Time limit3 days
Wagering50 x D+
Wagering is 50x on the deposit only, which is on the high side. With a €100 deposit you have to wager €100 x 50 = €5,000 before you can withdraw.
Queenspins Bonuses
18+ Full Terms Apply. Play Responsibly.
358
Rant Casino
100% up to 1000€
Main details
Bonus type1st deposit bonus+
Rant Casino matches your deposit 100% up to €1,000, and winnings are capped at €5,000. Deposit at least €10 to claim it, no bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit10€
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.
Rant Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
359
Red Kings Casino
100% up to 100€ + 15 free spins
Main details
Bonus type1st deposit bonus+
Red Kings Casino matches your deposit 100% up to €100 and you get 15 free spins on Book of Dead, worth €1.50 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
Wagering30 x (D+B)+
Wagering on the cash bonus is 30x 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) x 30x = €6,000 in total bets within 30 days. The 15 free spins carry 60x wagering on their winnings.
Red Kings Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
360
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.
Richard Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
361
RichRoyal Casino
Launched 2025Crypto Accepted
100% up to 1000€ + 100 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus from RichRoyal Casino, which gives you a 100% match up to €1,000 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 limit10 days
Wagering50 x (D+B)+
The wagering is 50x on the high side. You get a 100% match, so a €100 deposit gives you a €100 bonus, and 100 + 100 = €200 x 50 = €10,000 in wagers. The 100 free spins carry 40x wagering on their winnings.
RichRoyal Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
362
Ritzo Casino
Crypto Accepted
100% up to 250€
Main details
Bonus type1st deposit bonus+
Ritzo Casino matches your deposit 100% up to €250 on 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
Time limit7 days
Wagering45 x B+
Ritzo Casino sets wagering at 45x on the bonus amount, which is on the high side. With a €100 deposit you get a €100 bonus, and €100 x 45 = €4,500 in wagers. You have 7 days to clear it.
Ritzo Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
363
RocketRiches Casino
Exclusive BonusLaunched 2025Crypto Accepted
100% up to 500€
Main details
Bonus type1st deposit bonus+
RocketRiches Casino matches your deposit 100% up to €500. This is a straight deposit bonus with no 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 limit7 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 7 days to clear it.
RocketRiches Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
364
Rocketspin 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 Rocketspin Casino. You get a 100% match up to €1,000 on your deposit, plus 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 requirement 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.
Rocketspin Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
365
Rooster Bet
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 Rooster Bet. You get a 100% match up to €1,000 on your deposit, plus 100 free spins on John Hunter and the Book of Tut 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 100% bonus at Rooster Bet 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 100 free spins carry 40x wagering on their winnings.
Rooster Bet Bonuses
18+ Full Terms Apply. Play Responsibly.
366
Ruby Fortune Casino
100% up to 250€
Main details
Bonus type1st deposit bonus+
Deposit at least €10 to claim this deposit bonus. You get a 100% match up to €250 on your deposit at Ruby Fortune Casino. No bonus code is needed, the bonus activates on your qualifying deposit, and this bonus is for UK players only.
Minimum deposit10€
Bonuses & Restrictions
Time limit7 days
Wagering35 x (D+B)+
The wagering requirement is 70x on the bonus only, which is on the high side. With a €100 deposit you get a €100 bonus, and €100 x 70 = €7,000 in wagers.
Ruby Fortune Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
367
Shangri-La Live Casino
Crypto Accepted
100% up to 300€ + 20 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 €300 on your deposit. You also get 20 free spins on Book Of Dead worth €2 in total. No bonus code is needed, the bonus activates on your qualifying deposit, and winnings from the bonus are capped at €3,000.
Minimum deposit20€
Bonuses & Restrictions
Time limit7 days
Wagering25 x (D+B)+
Wagering is 25x on your deposit plus bonus, which is below average. A €100 deposit gives you a €100 bonus, and €100 + €100 = €200 x 25 = €5,000 in wagers. The 20 free spins carry 25x wagering on their winnings.
Shangri-La Live Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
368
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.
Slotland Casino Bonuses
18+ Full Terms Apply. Play Responsibly.

Sources

Malta Gambling Authority