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 20

Alina Anisimova, Isobel Coughlan

Updated:25.6.2026

438
ZenCasino
100% up to 300€ + 100 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €15 to claim this deposit bonus from ZenCasino, which gives you a 100% match up to €300 on your deposit. No bonus code is needed, the bonus activates on your qualifying deposit, and you get 100 free spins worth €10 in total. Winnings from the bonus are capped at €10,000.
Minimum deposit15€
Bonuses & Restrictions
Time limit3 days
Wagering50 x (D+B)+
The wagering on this offer is on the high side at 50x on your deposit plus bonus. With a €100 deposit you get a €100 bonus, and €100 + €100 = €200 x 50 = €10,000 in wagers. The 100 free spins carry 50x wagering on their winnings.
ZenCasino Bonuses
18+ Full Terms Apply. Play Responsibly.

439
Spinational Casino
Launched 2025
100% up to 1000€ + 100 free spins
Main details
Bonus type1st deposit bonus+
Spinational Casino matches your deposit 100% up to €1,000 and gives you 100 free spins on Big Bass Bonanza 1000. 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€
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 you wager (€100 + €100) x 35 = €7,000 in total bets before you can withdraw bonus funds. The 100 free spins carry 40x wagering on their winnings. Max bet while wagering is €5 per round.
Spinational Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
440
Vivaspin Casino
Launched 2025
100% up to 2000€ + 1000 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 €2,000 on your deposit. You also get 1,000 free spins worth €0.10 each, for a total of €100 on Sew by Shady Lady, and winnings from the bonus are capped at €6,000. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit20€
Bonuses & Restrictions
Max bet5€
Time limit3 days
Wagering40 x B+
The 100% bonus at Vivaspin Casino 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 1,000 free spins carry 40x wagering on their winnings.
Vivaspin Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
441
Yeti Casino
100% up to 333€ + 100 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least £10 to claim this deposit bonus at Yeti Casino. You get a 100% match up to £333 on your deposit, plus 100 bonus spins worth £10 in total. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit10€
Bonuses & Restrictions
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 bonus spins carry 40x wagering on their winnings.
Yeti Casino Bonuses
18+ Full Terms Apply. Play Responsibly. Cashback will be paid from your deposits. You can claim the cashback 24h after your deposits
442
Wonderluck Casino
Exclusive BonusLaunched 2025
100% up to 1000€ + 200 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus at Wonderluck Casino. You get a 100% match up to €1,000 on your deposit plus 200 free spins. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit20€
Bonuses & Restrictions
Time limit10 days
Wagering35 x (D+B)+
The wagering on this bonus sits in the standard range at 35x on your deposit plus bonus. A €100 deposit gives you a €100 bonus, so €100 + €100 = €200 x 35 = €7,000 in wagers. The 200 free spins carry 40x wagering on their winnings.
Wonderluck Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
443
Wintopia Casino
100% up to 700€ + 75 free spins
Main details
Bonus type1st deposit bonus+
Wintopia Casino matches your deposit 100% up to €700 and gives you 75 free spins worth €7.50 in total. Deposit at least €10 to claim it, and no bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit10€
Bonuses & Restrictions
Wagering50 x (D+B)+
Wagering on the welcome bonus at Wintopia Casino is 50x on your deposit plus bonus, which is on the high side. A €100 deposit gives you a €100 bonus, so €100 + €100 = €200 x 50x = €10,000 in wagers. The 75 free spins carry 40x wagering on their winnings.
Wintopia Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
444
Winrolla Casino
Launched 2025
100% up to 1000€ + 100 free spins
Main details
Bonus type1st deposit bonus+
Winrolla Casino matches your deposit 100% up to €1,000 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
Time limit10 days
Wagering40 x (D+B)+
Wagering on the cash bonus is 40x 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 40 = €8,000 in wagers. The 100 free spins carry 50x wagering on their winnings.
Winrolla Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
445
Winomania
Exclusive Bonus
100% up to 50€ + 50 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least £10 to claim this deposit bonus at Winomania. You get a 100% match up to £50 plus 50 bonus spins on Big Bass Splash worth £5 in total. Use bonus code MRGAMBLE when depositing. This bonus is for UK players only.
Minimum deposit10€
Bonuses & Restrictions
Time limit1 day
Wagering10 x B+
The wagering on the cash bonus is on the low side at 10x your bonus amount. With a £100 deposit, you get a £50 bonus (the maximum), and £50 x 10 = £500 in wagers. The 50 bonus spins carry 40x wagering on their winnings.
Winomania Bonuses
18+ Full Terms Apply. Play Responsibly.
446
WinMega Casino
Launched 2025
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.
WinMega Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
447
Winorio Casino
Launched 2025
100% up to 500€ + 150 free spins
Main details
Bonus type1st deposit bonus+
Winorio Casino matches your deposit 100% up to €500 and gives you 150 free spins. Deposit at least €20 to claim it and use bonus code WIN when depositing.
Minimum deposit20€
Bonuses & Restrictions
Max bet1€
Time limit5 days
Wagering40 x B+
Wagering on the cash bonus 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 150 free spins carry 40x wagering on their winnings. Max bet while wagering is €1 per round. You have 5 days to clear it.
Winorio Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
448
WinHero Casino
Launched 2025
100% up to 1000€ + 200 free spins
Main details
Bonus type1st deposit bonus+
WinHero Casino matches your deposit 100% up to €1,000 and gives you 200 free spins on Wild Cash. 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+
Wagering is 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. The 200 free spins carry 45x wagering on their winnings.
WinHero Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
449
William Hill Casino
100% up to 300€ + 100 free spins
Main details
Bonus type1st deposit bonus+
William Hill Casino matches your deposit 100% up to €300 and gives you 100 free spins, and winnings are capped at €2,000. 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 in the above average range. 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.
William Hill Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
450
Wildsino Casino
100% up to 500€ + 200 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus at Wildsino Casino. You get a 100% match up to €500 plus 200 free spins worth €20 in total on your deposit.
Minimum deposit20€
Bonuses & Restrictions
Time limit10 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 200 free spins carry 35x wagering on their winnings.
Wildsino Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
451
Wikibet Casino
Launched 2025
100% up to 500€ + 200 free spins
Main details
Bonus type1st deposit bonus+
Wikibet Casino matches your deposit 100% up to €500 and also 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
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 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.
Wikibet Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
452
Winbay Casino
Exclusive Bonus
100% up to 2000€ + 100 free spins
Main details
Bonus type1st deposit bonus+
Winbay Casino matches your deposit 100% up to €750 and gives you 200 free spins worth €20 in total (€0.10 per spin). 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 200 free spins carry 35x wagering on their winnings.
Winbay Casino Bonuses
18+ Full Terms Apply. Play Responsibly. Customers need to choose "I have a promo code" to claim this exclusive bonus.
453
Vipzino Casino
100% up to 150€ + 150 free spins
Main details
Bonus type1st deposit bonus+
Vipzino Casino matches your deposit 100% up to €150 and gives you 150 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+
Vipzino Casino uses 35x wagering on the bonus amount, which sits in the standard range. With a €100 deposit you get a €100 bonus, and €100 x 35x = €3,500 in wagers. The 150 free spins carry 35x wagering on their winnings.
Vipzino Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
454
Volna Casino
100% up to RUB 30000 + 500 free spins
Main details
Bonus type1st deposit bonus+
Volna Casino matches your deposit 100% up to 30,000 RUB and gives you 500 free spins worth 50 RUB in total. Deposit at least 300 RUB to claim it. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum depositRUB 300
Bonuses & Restrictions
Max betRUB 500
Time limit3 days
Wagering40 x B+
Wagering is 40x on the bonus only, which is on the high side. A ₽100 deposit gives you a ₽100 bonus, and ₽100 x 40 = ₽4,000 in wagers. The 500 free spins carry 30x wagering on their winnings, you have 3 days to clear it, and max bet while wagering is ₽500 per round.
Volna Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
455
Play Kasino
New 2026
100% up to 100€ + 50 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €20 to claim this deposit bonus at Play Kasino, which gives you a 100% match up to €100 on your deposit. You also get 50 free spins on Book of Dead, worth €5 in total. No bonus code is needed, the bonus activates on your qualifying deposit.
Minimum deposit20€
Bonuses & Restrictions
Max bet5€
Time limit30 days
Wagering60 x (D+B)+
The 100% bonus at Play Kasino comes with 60x wagering 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 60 = €12,000 in wagers. The 50 free spins carry 60x wagering on their winnings.
Play Kasino Bonuses
18+ Full Terms Apply. Play Responsibly.
456
Universal Slots
100% up to 150€ + 100 free spins
Main details
Bonus type1st deposit bonus+
Deposit at least €25 to claim this deposit bonus from Universal Slots. You get a 100% match up to €150 on your deposit, plus 100 free spins. Use bonus code UNIVERSAL1 when depositing.
Minimum deposit25€
Bonuses & Restrictions
Time limit15 days
Wagering40 x (D+B)+
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.
Universal Slots Bonuses
18+ Full Terms Apply. Play Responsibly.
457
Twin Casino
100% up to 500€
Main details
Bonus type1st deposit bonus+
Deposit at least €10 to claim this deposit bonus at Twin 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 deposit10€
Bonuses & Restrictions
Wagering20 x (D+B)+
The wagering requirement is 20x on your deposit plus bonus, which is on the low side. A €100 deposit gives you a €100 bonus, and €100 + €100 = €200 x 20 = €4,000 in wagers.
Twin Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
458
Tournaverse Casino
100% up to 777€
Main details
Bonus type1st deposit bonus+
Tournaverse Casino matches your deposit 100% up to €777. This bonus is for Canadian players only. 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
Wagering60 x B+
Wagering on the cash bonus at Tournaverse Casino is 60x on the bonus amount, which is on the high side. A €100 deposit gives you a €100 bonus, and €100 x 60 = €6,000 in wagers. Free spin winnings are wager-free, you can withdraw them any time.
Tournaverse Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
459
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.
TornadoBet Casino Bonuses
18+ Full Terms Apply. Play Responsibly.
460
Tiki Casino
100% up to 500€ + 200 free spins
Main details
Bonus type1st deposit bonus+
Tiki 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€
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 you wager (€100 + €100) = €200 x 35 = €7,000 in total before you can withdraw. 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.
Tiki Casino Bonuses
18+ Full Terms Apply. Play Responsibly.

Sources

Malta Gambling Authority