In this article, you will find the best 400% casino bonuses when you want to deposit with a new casino!
Competition between online casinos has led to an increase in bonus offers and other incentives. Typically, the higher the casino bonus the rare it is. One of the rare online casino incentives is the 400% bonus which multiplies your initial deposit by four. If you intend to try your luck on an online casino, you should consider starting with a 400% bonus when you sign up.
The 400% deposit bonuses we currently offer are the following:
18+ | Terms & conditions apply. | LevelUp Casino.
- ✓ Book of Cats
- ✓ Code: CATS25
- ✓ $400 Casino Bonus
18+ | Terms & conditions apply.| Rocket Casino.
- ✓ Aztec Magic Deluxe
- ✓ 100% up to $500
- ✓ 50 Extra Spins
18+ | Terms & conditions apply.
- ✓ 50 Bonus Spins
- ✓ Wild Cash (BGaming)
- ✓ Code: FIRST
18+ | Terms & conditions apply. | SkyCrown Casino.
- ✓ 100 Bonus Spins
- ✓ Aloha King Elvis
- ✓ Code: KNG1
18+ | Terms & conditions apply.
- ✓ 50 Bonus Spins
- ✓ Aztec Magic Deluxe
- ✓ On your first deposit
18+ | Terms & conditions apply. | Leon Casino.
- ✓ $10 Cash Bonus
- ✓ 100% Match Bonus
- ✓ 10% Monday Cashback
18+ | Terms & conditions apply.
- ✓ Nuke world
- ✓ $1000 Casino Bonus
- ✓ 100 Bonus-Spins
18+ | Terms & conditions apply. | Goodman Casino.
- ✓ 100 Bonus Spins
- ✓ Wolf Treasure
- ✓ Code: A1
18+ | Terms & conditions apply. | Mr Sloty Casino.
- ✓ 125 Bonus Spins
- ✓ Wild Wild West
- ✓ Code: WILD125
18+ | Terms & conditions apply.
- ✓ Book of Dead
- ✓ $750 Casino Bonus
- ✓ 100 Extra Spins
18+ | Terms & conditions apply. | Golden Crown Casino.
- ✓ 100 Bonus Spins
- ✓ 100% Match Bonus
- ✓ Code: GC100
18+ | Terms & conditions apply. | Slotozen Casino.
- ✓ Diamond Hunt
- ✓ $300 Casino Bonus
- ✓ 100 Bonus Spins
18+ | Terms & conditions apply.| Stay Casino.
- ✓ Aztec magic Megaways
- ✓ Wild Cash
- ✓ $500 Casino Bonus
18+ | Terms & conditions apply. | Winning Days Casino.
- ✓ 150 Free Spins
- ✓ Wolf Treasure
- ✓ Bonus code: WIN
18+ | Terms & conditions apply. | SOL Casino.
- ✓ Avalon: The Lost Kingdom
- ✓ Code: ZAMSINO
- ✓ 100% up to $600
18+ | Terms & conditions apply.
- ✓ 100% Match Bonus
- ✓ Weekly Cashbacks
- ✓ PayID
18+ | Terms & conditions apply. | Universal Slots Casino.
- ✓ London Hunter
- ✓ Code: UNIVERSALFREE
- ✓ $150 Casino Bonus
18+ | Terms & conditions apply. | Joo Casino.
- ✓ Wolf Treasure
- ✓ $1000 Casino Bonus
- ✓ 50 Bonus Spins
18+ | Terms & conditions apply. | Shazam Casino.
- ✓ Code: POTION40
- ✓ 250% Deposit Bonus
- ✓ 100 Bonus Spins
18+ | Terms & conditions apply.
- ✓ 100% Match Bonus
- ✓ 200 Bonus Spins
- ✓ 25% Live Cashback
18+ | Terms & conditions apply. | Wild Tornado Casino.
- ✓ 100 Bonus Spins
- ✓ 100% Match Bonus
- ✓ Code: WILD100
18+ | Terms & conditions apply. | Cobra Casino.
- ✓ 250 Bonus Spins
- ✓ Aloha King Elvis
- ✓ Book of cats
18+ | Terms & conditions apply. | Abo Casino.
- ✓ 150 Bonus Spins
- ✓ Wolf Treasure
- ✓ 100% Match Bonus
18+ | Terms & conditions apply.
- ✓ 111 Bonus Spins
- ✓ Code: SOFABOOST
- ✓ Big Bass Bonanza
18+ | Terms & conditions apply.
- ✓ Up to $1000
- ✓ Up to $100 Bonus Feature
- ✓ On first deposit
18+ | Terms & conditions apply.
- ✓ Zeus The Thunderer
- ✓ Code: SLOTS20
- ✓ $150 Bonus + 100 Spins
18+ | Terms & conditions apply.|
- ✓ 150 Bonus Spins
- ✓ Wolf Gold
- ✓ Code: WOO
18+ | Terms & conditions apply. | Katsubet Casino.
- ✓ Wild Cash
- ✓ Code: 30BET
- ✓ $400 Casino Bonus
18+ | Terms & conditions apply.
- ✓ Benny's The Biggest Game
- ✓ Code: LUCKYGAME20
- ✓ 100% up to $100
18+ | Terms & conditions apply. | Megaslot Casino.
- ✓ 25 Bonus Spins
- ✓ Elvis Frog in Vegas
- ✓ Code: WOLF1
18+ | Terms & conditions apply.
- ✓ 100% Bonus
- ✓ $10 Min Deposit
- ✓ On your first deposit
18+ | Terms & conditions apply.
- ✓ 100 Bonus Spins
- ✓ Wild Walker slot
- ✓ 100% 1st Deposit bonus
18+ | Terms & conditions apply. | Bo Vegas Casino.
- ✓ Miami Jackpots
- ✓ Code: 30GIRLS
- ✓ Up to 300% 1st Deposit
18+ | Terms & conditions apply.
- ✓ Up to €1500
- ✓ €10 Minimum Deposit
- ✓ Crypto deposit available
18+ | Terms & conditions apply.
- ✓ Up to $1200
- ✓ 500% Daily Crypto Bonus
- ✓ Cashback Offers
18+ | Terms & conditions apply.
- ✓ 200 Spins on Deposit
- ✓ Candy Monsta
- ✓ Fiat and Crypto
18+ | Terms & conditions apply.
- ✓ 100% Bonus
- ✓ Wager-Free Lootboxes
- ✓ 24/7 Live Support
18+ | Terms & conditions apply. | Slots Dreamer Casino.
- ✓ On First Deposit
- ✓ Daily Cashback Offers
- ✓ Instant Deposit
18+ | Terms & conditions apply.
- ✓ On every deposit
- ✓ x3 Wager requirement
- ✓ Sports Betting
18+ | Terms & conditions apply.
- ✓ 30 Bonus Spins
- ✓ Valhalla Slot
- ✓ 15% Weekly Cashback
18+ | Terms & conditions apply. | King Billy Casino.
- ✓ Book of King Billy
- ✓ 100% up to $500
- ✓ 100 Bonus Spins
18+ | Terms & conditions apply. | Lucky31 Casino.
- ✓ 31 Bonus Spins
- ✓ 60 Second Heist Slot
- ✓ Neo Surf
18+ | Terms & conditions apply.
- ✓ Aloha Elvis Frog
- ✓ $250 Casino Bonus
- ✓ 150 Bonus Spins
18+ | Terms & conditions apply.
- ✓ Up to $1000
- ✓ Code: WELCOME
- ✓ On First Deposit
18+ | Terms & conditions apply.
- ✓ 100% Match Bonus
- ✓ 24/7 Live Chat
- ✓ Buy crypto with Oobit
18+ | Terms & conditions apply. | Ocean Breeze Casino.
- ✓ 50 Bonus Spins
- ✓ Narcos
- ✓ Code: WELCOME1
18+ | Terms & conditions apply. | Divas Casino.
- ✓ 100% Bonus
- ✓ On first deposit
- ✓ Up to $2000 Cashback
18+ | Terms & conditions apply. | Arlekin Casino.
- ✓ 100 Bonus Spins
- ✓ Elvis Frog In Vegas
- ✓ Crypto Bonus available
18+ | Terms & conditions apply.
- ✓ 100 Bonus Spins
- ✓ Wolf Treasure
- ✓ Code: WELCOME1
18+ | Terms & conditions apply. | Mr Slots Club Casino.
- ✓ Up to $2500
- ✓ On First Deposit
- ✓ 10% Daily Cashback
18+ | Terms & conditions apply. | 4Kasino Casino.
- ✓ Up to $1000
- ✓ Daily Cashback
- ✓ 500% Crypto bonus
18+ | Terms & conditions apply. | 7Bit Casino.
- ✓ Deep Sea
- ✓ Code: DEEPBIT
- ✓ 100% up to $300
18+ | Terms & conditions apply. | Bitkingz Casino.
- ✓ Up to $250
- ✓ 100 Bonus Spins
- ✓ Wolf Gold
18+ | Terms & conditions apply. | National Casino.
- ✓ 100 Bonus Spins
- ✓ Avalon: The Lost Kingdom
- ✓ 100% Bonus
18+ | Terms & conditions apply. | Dazard Casino.
- ✓ On First Deposit
- ✓ 100 Bonus Spins
- ✓ Code: DZ100
18+ | Terms & conditions apply. | iWildCasino.
- ✓ 100 Bonus Spins
- ✓ Dog House Slot
- ✓ Weekly Cashback
18+ | Terms & conditions apply. | Westpoint Casino.
- ✓ 100% Deposit Match
- ✓ Promo Code: 100864
- ✓ 10% Weekly Cashback
18+ | Terms & conditions apply. | Casoo Casino.
- ✓ 100 Bonus Spins
- ✓ Magic Stars 3
- ✓ 100% Match Bonus
18+ | Terms & conditions apply. | Mond Casino.
- ✓ Up to $200
- ✓ Code: Mond130
- ✓ Loyalty Cashback
18+ | Terms & conditions apply. | Tsars Casino.
- ✓ 100 Bonus Spins
- ✓ 30% Reload Bonus
- ✓ 100% Match Bonus
18+ | Terms & conditions apply. | Dublinbet Casino.
- ✓ 25 Bonus Spins
- ✓ 90K Yeti Gigablox
- ✓ 100% Match Bonus
18+ | Terms & conditions apply. | OXI Casino.
- ✓ 100 Bonus Spins
- ✓ John Hunter and the Book of Tut
- ✓ 20% Weekly Cashback
18+ | Terms & conditions apply. | Rich Palms Casino.
- ✓ $40 Free Chip on Sign Up
- ✓ Code: SLOTSROCK40
- ✓ 100% Cashback
18+ | Terms & conditions apply. | Jet10 Casino.
- ✓ Non Sticky Bonus
- ✓ 100% Bonus
- ✓ 15% Cashback Offer
18+ | Terms & conditions apply.| Pledoo Casino.
- ✓ 75 Bonus Spins
- ✓ Bushido Ways xNudge
- ✓ 150% Crypto Bonus
18+ | Terms & conditions apply. | Lucky Tiger Casino.
- ✓ $40 Free Chip on SignUp
- ✓ Code: SPINBANDIT40
- ✓ 100% Cashback
18+ | Terms & conditions apply. | GreenSpin Casino.
- ✓ Code: 15ZAMSINO
- ✓ $300 Casino Bonus
- ✓ 150 Wager-Free Spins
18+ | Terms & conditions apply. | OhMySpins Casino.
- ✓ 200 Bonus Spins
- ✓ Cashback Offers
- ✓ 100% Bonus
18+ | Terms & conditions apply. | Lucky Dreams Casino.
- ✓ 100% Match Bonus
- ✓ 100 Bonus Spins
- ✓ Lucky Lady Moon
18+ | Terms & conditions apply.| Slotman Casino.
- ✓ Slotman Million
- ✓ 20x Wagering Req
- ✓ $1000 Casino Bonus
18+ | Terms & conditions apply. | Casitsu Casino.
- ✓ 50 Bonus Spins
- ✓ Avalon: The Lost Kingdom
- ✓ Code: SHODAN
18+ | Terms & conditions apply. | MyStake.Bet Casino.
- ✓ Up to $300
- ✓ 170% Crypto Bonus
- ✓ 15% Weekly Cashback
18+ | Terms & conditions apply. | BitStarz Casino.
- ✓ Wolf Treasure
- ✓ 100% up to $2000
- ✓ 180 Bonus Spins
18+ | Terms & conditions apply. | Slotum Casino.
- ✓ 100 Bonus Spins
- ✓ Instant Withdrawal
- ✓ 100% Bonus
18+ | Terms & conditions apply. | Lilibet Casino.
- ✓ Non Sticky Bonus
- ✓ 100% Bonus
- ✓ up to $150 Cashback
18+ | Terms & conditions apply. | TwoUp Casino.
- ✓ On Registration
- ✓ Code: 25CHESS
- ✓ 250% Deposit Bonus
18+ | Terms & conditions apply. | Jet Casino.
- ✓ Up to 500 Bonus-Spins
- ✓ All Lucky Clovers 5
- ✓ 100% Bonus
18+ | Terms & conditions apply. | BC.Game Casino.
- ✓ Up to 1BTC
- ✓ Pure Crypto Casino
- ✓ Multiple Bonus Offers
18+ | Terms & conditions apply. | HeavyChips Casino.
- ✓ Cashback Offers
- ✓ 20 Reload Spins
- ✓ 400% Bonus
18+ | Terms & conditions apply. | Wilderino Casino.
- ✓ Up to $40
- ✓ $10 Min. Deposit
- ✓ 20% Cashback Offer
18+ | Terms & conditions apply. | GetSlots Casino.
- ✓ 155 free spins
- ✓ Sword and The Grail
- ✓ Minimum deposit $20
18+ | Terms & conditions apply. | PlayAmo Casino.
- ✓ 100 Bonus Spins
- ✓ Elvis Frog in Vegas
- ✓ Code: FIRSTDEP
18+ | Terms & conditions apply. | Casino4U Casino.
- ✓ New casino
- ✓ 100 free spins
- ✓ Minimum deposit $20
18+ | Terms & conditions apply. | SpinPug Casino.
- ✓ Up to $100
- ✓ $10 Minimum Deposit
- ✓ 20% Cashback Offers
18+ | Terms & conditions apply. | Bet4Joy Casino.
- ✓ Up to $40
- ✓ $10 Min. Deposit
- ✓ 20% Cashback Offer
18+ | Terms & conditions apply. | Casobet Casino.
- ✓ 120% Match Bonus
- ✓ $10 Minimum Deposit
- ✓ 10% Live Casino Cashback
18+ | Terms & conditions apply. | Parimatch Casino.
- ✓ 5% Cashback
- ✓ 150% Bonus
- ✓ Code: PLAY150
18+ | Terms & conditions apply. | Aussieplay Casino.
- ✓ 50 No Deposit Spins
- ✓ Asgard Deluxe
- ✓ Code: VIKING50
18+ | Terms & conditions apply. | Fresh Casino.
- ✓ Up to 500 Bonus-Spins
- ✓ Mechanical Clover
- ✓ 100% Bonus
18+ | Terms & conditions apply. | 24K Casino.
- ✓ 50 free spins
- ✓ Book of Dead
- ✓ 125% bonus
18+ | Terms & conditions apply. | Winown Casino.
- ✓ $2000 Tournaments
- ✓ 20% Cashback Offers
- ✓ $10 Min. Deposit
18+ | Terms & conditions apply. | Oshi Casino.
- ✓ 150 Bonus Spins
- ✓ Aztec Magic Deluxe
- ✓ On First Deposit
18+ | Terms & conditions apply. | Casinoin Casino.
- ✓ 15 Cash Free Spins weekly
- ✓ Deposit in Bitcoin
- ✓ Minimum deposit $10
18+ | Terms & conditions apply. | Rich Casino.
- ✓ On Registration
- ✓ 200% Casino Bonus
- ✓ 400% Crypto Bonus
18+ | Terms & conditions apply. | El Royale Casino.
- ✓ 25 No Deposit Spins
- ✓ Cash Bandits 2
- ✓ Code: 25BANDITS
18+ | Terms & conditions apply.
- ✓ Across the Universe
- ✓ 100% up to $800
- ✓ 100 Bonus Spins
18+ | Terms & conditions apply. | OG Casino.
- ✓ Multiple Bonuses
- ✓ 20% Cashback Offer
- ✓ $10 Min. Deposit
18+ | Terms & conditions apply. | Betrocker Casino.
- ✓ Multiple Bonuses
- ✓ 20% Cashback Offer
- ✓ $10 Min. Deposit
18+ | Terms & conditions apply. | Slottica Casino.
- ✓ 50 free spins
- ✓ Starburst
- ✓ 100% bonus
18+ | Terms & conditions apply. | Las Atlantis Casino.
- ✓ On Registration
- ✓ Code: 40ATLANTIS
- ✓ 280% Deposit Bonus
18+ | Terms & conditions apply. | Supernova Casino.
- ✓ Code: INVASION300
- ✓ No Max Cashout
- ✓ 100% 1st Dep Cashback
18+ | Terms & conditions apply. | Irish Luck Casino.
- ✓ On Registration
- ✓ Code: FORTUNE275
- ✓ 275% bonus
18+ | Terms & conditions apply. | True Fortune Casino.
- ✓ Invaders!
- ✓ Live casino
- ✓ 200% bonus
18+ | Terms & conditions apply. | Black Lotus Casino.
- ✓ 25 free spins
- ✓ Code: HAWK25
- ✓ 231% bonus
18+ | Terms & conditions apply. | Grand Eagle Casino.
- ✓ 40 free spins
- ✓ Code: KREEG205
- ✓ 205% bonus
18+ | Terms & conditions apply. | Lotus Asia Casino.
- ✓ 50 free spins
- ✓ Code: CORAL210
- ✓ 210% bonus
18+ | Terms & conditions apply. | Lucky Creek Casino.
- ✓ 59 free spins
- ✓ Code: CHARM59
- ✓ 220% bonus
18+ | Terms & conditions apply. | Mandarin Palace Casino.
- ✓ 35 free spins
- ✓ Code: GUITAR219
- ✓ 219% bonus
18+ | Terms & conditions apply. | Propawin Casino.
- ✓ $10 Minimum Deposit
- ✓ 20% Cashback Offer
- ✓ $2000 Weekly Tournament
18+ | Terms & conditions apply. | Wintika Casino.
- ✓ Up to $200
- ✓ $10 Min Deposit
- ✓ Live Casino Cashback
18+ | Terms & conditions apply. | Winzz Casino.
- ✓ Up to $100
- ✓ $10 Minimum Deposit
- ✓ 20% Cashback Offer
18+ | Terms & conditions apply. | Dinospin Casino.
- ✓ up to $100
- ✓ $10 Minimum Deposit
- ✓ 20% Cashback Offer
18+ | Terms & conditions apply. | Casdep Casino.
- ✓ $10 Min Deposit
- ✓ 100% Bonus
- ✓ Live Casino Cashback
18+ | Terms & conditions apply. | MyWin24 Casino.
- ✓ Multiple Bonuses
- ✓ 20% Cashback Offer
- ✓ $10 Min. Deposit
18+ | Terms & conditions apply. | Grand Wild Casino.
- ✓ 100% Match Bonus
- ✓ $10 Min. Dep
- ✓ 20% Cashback Offer
18+ | Terms & conditions apply. | Calvin Casino.
- ✓ 100% Match Bonus
- ✓ $10 Min. Dep
- ✓ 20% Cashback Offer
18+ | Terms & conditions apply. | Freaky Aces Casino.
- ✓ 100% Match Bonus
- ✓ $10 Min. Dep
- ✓ 20% Cashback Offer
18+ | Terms & conditions apply. | VIP Stakes Casino.
- ✓ Multiple Bonuses
- ✓ 20% Cashback Offer
- ✓ $10 Min. Deposit
18+ | Terms & conditions apply.| VIP Spel Casino.
- ✓ $10 Min Deposit
- ✓ 100% Bonus
- ✓ Live Casino Cashback
18+ | Terms & conditions apply.| Paradise Win Casino.
- ✓ $10 Minimum Deposit
- ✓ 100% Match Bonus
- ✓ 20% Cashback Offer
18+ | Terms & conditions apply. | Fastpay Casino.
- ✓ $150 Casino Bonus
- ✓ 100 Bonus Spins
- ✓ 100% bonus
18+ | Terms & conditions apply. | 24Casino.Bet Casino.
- ✓ 130 Bonus Spins
- ✓ Jumanji
- ✓ Code: WELCOME130
Table of Contents
📌 The best 400% online casino bonuses in one place
You have come to the right place if you are looking for the best casino with a 400% bonus. The objective is to give players the best possible offers from safe and trustworthy casinos. Below you will the best online casinos with a 400% bonus when you make your first deposit. Our team has done all the hard work of testing, going through terms, and reading through player reviews.
📌 Recommended online casinos
Apart from the list provided above, there are other exceptional online casinos with a standard bonus offer. Regardless, the player experience for these platforms is anything but average. Understanding that their platforms have some unique features, these casinos don’t see the need to include huge bonuses. Here is a list of the top recommended casinos:
📌 Safety first
For a casino to be considered on the list of the best 400% bonus offer, it should be highly trustworthy and acclaimed by players. It is our policy to protect the safety of our visitors as well as protect our brand. Our readers need to have a pleasant experience vising one or more of our recommended sites.
A rogue casino can easily be identified by the terms they use on bonuses. Fair casinos have attainable wagering required which are within a reasonable time frame. Other bad casinos are known to payout huge jackpots in increments and this could take years Always be on the lookout and choose wisely.
📌 Casino bonuses in general
Everyone online casino player would love the chance to claim a bonus which can be in form of funds, free spins, or both. Bonuses give players a chance to try their luck on online pokies without necessarily spending their actual account balance. This is merit especially if you are new to online casino gaming. Most of the 400% bonus offers are only available on this platform through the links.
📌 Why Zamsino.com?
To build trust with our online casino players, we only list licensed and accredited casinos. As stated above, only casinos that have gone through a strict testing process get on the list. Unlike most of our competitors, we take full responsibility for all online casino operators we promote.
📌 400% casino bonus — Downsides?
One downside of claiming a huge incentive like the 400% casino bonus is it results in more wagering. However, more wagering can be of great benefit depending on what kind of player you are and the situation. Go for bigger bets which have the possibility of yielding huge rewards.
📌 What to keep in mind when claiming a large casino bonus
Most huge bonuses have wagering requirements that have to be fulfilled before you can cash out your winnings. Keep in mind that these conditions vary from one casino to the other. First, check if the bonus has an expiration date. Bonuses can be cancelled if not used within a specified period. Other things to consider include games you can play with the bonus and minimum required deposit.
📌 Best 400% casino bonus sites
All online casinos listed on our platform are top quality with an excellent gaming experience. With that said, some casinos stand out from the list of best 400% bonus casinos. Furthermore, there are personal favourites for different online casino players. Here are our top picks.
📌 FAQ
Due to the huge number of online casinos in the market, it might be difficult to choose the best casino with this bonus. However, our platform provides a list of the best online casinos for you to enjoy the 400% casino bonus.
To activate the 400% bonus, you have to deposit in your account. The amount required to activate the bonus varies from one online casino to the other. Additional wagering requirements can also be applied.
Again, the inclusion of free spins depends on the online casino. We suggest that you go through the terms and conditions of each bonus for you to understand how it works. More often, these bonuses are accompanied by free spins.
📌 Related articles
- Play for free when you claim $50 free no deposit!
- Find yourself a new online casino to play with our list!
- Check out our article and find some 100 free spins no deposit bonuses!
Erik King
Editor in Chief - Zamsino.com
I always loved gambling and probably always will, spending my time reviewing gambling sites to help people save time.
Last updated 30/01/23 by Erik King
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