Halloween Casino Promotions 2025

#1. Halloween at Mr Vegas: The Alchemist’s Laboratory of Horrors

Join Halloween at Mr Vegas, as players are invited to explore and break free from The Alchemist’s Laboratory of Horrors. Daily surprises await participants as they solve riddles and decipher the alchemist’s notes to reveal a featured game. To help participants, clues about the game of the day are provided, including the name of the provider. Participants can uncover daily surprises once they play the featured game and complete specific challenges, earning them a free spin on the Halloween Wheel of Vegas to claim and break the jar holding the abomination. To escape the horrors of the alchemist’s power, players will have to collect and shatter all 7 abomination jars.

Important terms:

• Dates valid: 27th October at 00:01 GMT – 2nd November at 23:59 GMT.
• Daily achievement is available until 23:59 GMT of that same day.
• Players from Spain and Sweden are excluded from participating.

Halloween Wheel of Vegas terms:

• Cannot be played if an account already has an active bonus
• Players must have made at least one deposit to be eligible for rewards or Jackpot winnings
• All jackpots are wager-free
• Any rewards from the wheel not used within 7 days expire
• Any winnings will be transferred to the Account Balance and can be withdrawn at any time

When you register, you can claim a welcome bonus of 100% up to €200 on your first deposit.

#2. OmniSlots: Spelloween – 25% Bonus

Omnislots gets you into the Halloween mood with its Spelloween bonus, offering a match deposit of 25%. This offer can be accessed when visiting the cashier and is applicable to the next deposit.

Important terms:

• Applies to your deposit on October 31st
• Can only be claimed once
• Wagering requirement for the bonus is 40x
• Valid until November 7th
• Cannot be used in combination with other offers

To make the most of this Halloween promo and boost your gameplay, sign up to OmniSlots and claim your €500 + 70 free spins welcome offer.

#3. Halloween at VideoSlots: The Witch’s Lair

Players can join Halloween at VideoSlots by entering The Witch’s Lair. Every day, players will have a new quest with clues in the form of riddles, leading players to specific game titles. Players can earn a free spin on the Halloween Wheel of Jackpots when completing a daily task. This promotion is ideal for players looking to engage in spooky challenges with a Halloween atmosphere.

Important terms:

• Dates valid: 27th October at 00:01 GMT – 2nd November at 23:59 GMT
• Daily achievement is available until 23:59 GMT of that same day.
• Players from Sweden are excluded from participating.

Halloween Wheel of Jackpots terms:

• Cannot be played if an account already has an active bonus
• Players must have made at least one deposit to be eligible for rewards or Jackpot winnings
• All jackpots are wager-free
• Any rewards from the wheel not used within 7 days expire
• Any winnings will be transferred to the Account Balance and can be withdrawn at any time

Join Videoslots and claim your welcome offer of 11 wager free spins or 100% up to €200, so you can take part in this promotion.

#4. BitStarz: Zombie Level Up

BitStarz is taking players on an exciting 41-level up adventure jam-packed with eerie challenges and big rewards in their Zombie Level Up promotion, running until November 7th. With a total prize pool of €50,000 in individual prizes and a €20,000 grand prize for those who reach level 41, players progress through each level, each milestone increasing in difficulty while unlocking new rewards and surprises. Players must wager on games to fulfil their progression bar, unlock prizes, and progress to the next level, each milestone increasing in difficulty as you progress.

Important terms:

• Promotion runs from September 29th 13:00 CEST – November 7th 13:00 CEST
• Only real money bets count towards the promotion
• Table games and Originals games contribute 5% turnover for promo
• Slot games contribute 100% towards turnover
• 10% wagering requirement for level 2-40 prizes
• €20,000 prize for level 41 comes with 1% wagering requirement

Unless you’re already a member, you’ll have to register with BitStarz to participate in this level-up adventure, where you can claim your welcome bonus of €500/ 5BTC + 180 free spins.

#5. CasinoRocket: Onlyplay Halloween Piggy Tap and Ghost Nebula Tournament

CasinoRocket is hosting two tournaments this Halloween season: ‘BGaming Drops Frenzy’ and ‘Onlyplay Halloween Piggy Tap’, running throughout the month of October. Both tournaments reward participants through an engaging leaderboard system, earning points by playing select games to climb the leaderboard. The leaders win the biggest rewards – the more you wager, the higher the chances of winning.

The Onlyplay Halloween Piggy Tap tournament has a total prize pool of €50,000 (double the prize of last year’s tournament!).

Important terms:

• Tournament rnning from October 1st 16:00 GMT – October 31st 16:00 GMT
• Total prize pool: €50,000
• Eligible game: Piggy Tap Halloween
• Minimum bet: €0.10
• To qualify for the prize pool, players must complete at least one deposit previously
• Only real money bets count towards the tournament
• Not available for Swedish players

BGaming’s Drops Frenzy tournament allows players to compete for a progressive total prize pool of €40,000. This means that there is a guaranteed starting prize pool of €40,000, which is progressive, so it can climb higher as more players participate. There are 121 eligible slot games for this tournament, with some themed titles including Halloween Bonanza, Haunted Reels, and Voodoo People.

Important terms:

• Tournament running from October 1st, 00:00 UTC – October 31st, 23:59 UTC.
• Only qualifying games apply
• The entry fee to participate in the tournament is €1
• To qualify for the prize pool, players must complete at least one deposit previously
• Bets placed on any eligible games may result in a maximum of one random prize from the prize pool
• Only real money bets count towards the tournament
• Not available for Swedish players

These tournaments offer the perfect chance to tap into the Halloween spirit, enjoying thrills while earning rewards. You’ll first have to sign up and get up to 150% up to €1000 + 150 free spins across 2 welcome bonuses at CasinoRocket. Then you can join these exciting tournaments.

#6. Casumo: UMO Days

Over the month of October (01/10-31/10), Casumo is offering a daily treat to players with its UMOdays promotion. Every day, players can claim one of the multi-valuable bonuses available:

• Top-up Monday: a deposit bonus of 20% up to €30, deposit €10 and get 10 bonus spins on Sweet Bonanza 1000, or wager €10 on slots and get 10 bonus spins on Sweet Bonanza 1000
• Twist-up Tuesday: deposit €20 and get 20 bonus spins for Temple Tumble: Megaways, or wager €20 on slots and get 20 bonus spins for Temple Tumble: Megaways
• Wowza Wednesday: deposit bonus of 20% up to €50, deposit €10 and get 10 bonus spins on Amazing Link Zeus, or wager €10 on slots and get 10 bonus spins on Amazing Link Zeus
• Pick’n’play Thursday: deposit €20 and get 20 bonus spins for Le Pharaoh, or wager €20 on slots and receive 20 bonus spins on Le Pharaoh
• Feel good Friday: deposit bonus of 20% up to €50, or deposit €20 and get 20 bonus spins on Gates of Olympus 1000, or wager €20 and get 20 bonus spins on Gates of Olympus 1000
• Spin stack Saturday: wager €10 on slots and get 10 bonus spins, wager €20 on slots and get 20 bonus spins, or wager €30 on slots and get 30 bonus spins. All bonus spins awarded for Amazing Link Zeus
• Lazy Sunday recharge: deposit €20 and get 20 bonus spins for Le Pharaoh, or wager €20 on slots and get 20 bonus spins for Le Pharaoh

You must opt in to claim these bonuses, which are only available for existing players. So sign up with Casumo for your welcome bonus of 100% up to €300 + 20 free spins on Book of Dead.

#7. Casinoly: Halloween Boom

Casinoly is celebrating with a thrilling Halloween Boom offer. Spanning over 3 weeks, when players deposit €25 or more every day, they can win up to 100 free spins. Once you opt in, you’ll be enrolled for the full promo period. All you have to do is deposit, play, and let the Halloween rewards flow.

Important terms:

• Min. deposit €25
• Dates to claim: October 15th – November 3rd
• Opt-in only
• The number of free spins may change depending on your VIP level
• Wagering requirement of 40x for free spins wins
• Any free spins allocated must be activated in 48 hours and used in 24 hours
• Free spins are awarded once a day per player

Sign up to claim Casinoly’s welcome bonus and opt-in to make the most of this Halloween special.

#8. Powbet: Halloween Boom

Powbet is serving up a treat this seasonal period with its Halloween Boom promotion, offering an opportunity to win up to 100 free spins daily over a 3-week period. Every deposit of €25 or more (up to 5 per day) is a chance to get a place on the winner’s list; the more deposits you make, the more chances of receiving more and higher-value free spins.

Important terms:

• Opt-in only
• Promo period: 15th October – November 3rd
• Min. deposit: €25
• Allocation of free spins may vary depending on VIP level
• Free spins must be activated within 48 hours and used within 24 hours
• 40x wagering requirement for free spins winnings
• Rewards granted once a day per player

Join Powbet and claim your welcome offer, then you can opt in and take part in the Halloween Boom.

#9. Slotbox: Halloween House

Slotbox has embraced the Halloween spirit with its ‘Halloween House’ promotion. There are two types of offers you can claim:

• Deposit a minimum of €20 for 30 free spins
• Deposit a minimum of €50 for 70 free spins

Important terms:

• Offer running from October 17th – October 19th 22:59 GMT
• Opt-in to claim the offer
• Each offer can be claimed 3x
• Free spins value €0.20 and expire after 3 days
• Spins are eligible on True Kult
• 35x wagering requirement, to wager in 7 days
• Max withdrawable wins from spins are capped at €300
• Winnings exceeding the max win will be removed

Join Slotbox for a 100% match bonus of up to €100 + 100 free spins on your first deposit to claim your Halloween House promo.

#10 NetBet – Spooky Season Magic Lamp

A thrilling opportunity to boost gameplay during the Halloween season, NetBet’s Spooky Season Magic Lamp promotion gives players a mystery bonus when they deposit. With prizes going up to 100 free spins on favourite spooky slots, players are in for a treat. How does it work?

1. You’ll need to place a minimum deposit and enter the bonus code
2. Claim your prize from the magic lamp widget in the Rewards Centre
3. Repeat once a day during the promotional period

Important terms:

• Minimum deposit of €25
• Bonuscode SPOOKY25
• Players can win one instant prize every day
• Prize to be won: up to 100 free spins on Masked Mayhem, Big Bass Halloween 2, Big Bass Halloween, RIP City, and Annihilator.
• The eligible game will be displayed on the pop-up triggered when you claim
• Promotion available from October 14th 00:001 CEST – October 31st 23:59 CEST
• Free spins available for 4 days, credited as bonus money and subject to a 40x wagering requirement
• Max wins of €500

What is a Halloween Casino Bonus?

A Halloween casino bonus is a special offer that online casinos offer their players during the spooky Halloween season. These bonuses are designed to add a ghoulish feel to your casino gaming experience and give you free spins or matched deposits. What sets Halloween casino bonuses apart from regular promotions is their scary theme. The bonus offers usually come with eerie graphics and are generally tailored toward Halloween-themed slot games (or perhaps even other casino games).

These best Halloween casino promotions can include various rewards like free spins, bonus funds, cashback, and more. You might see them as part of a welcome bonus, or a reload bonus that all casino members can access. One of the most common forms of Halloween casinos’ bonuses is free spins on Halloween-themed slot games. These free spins allow you to spin the reels without using your own money, giving you a chance to win real cash prizes.

On the other hand, some Halloween bonuses come in the form of bonus funds that can be used to play a wide range of casino games. It also works out well for the casinos as they can bring in new players while retaining older ones! So, if you’re looking to celebrate Halloween with thrilling bonus Halloween casino gameplay, these bonuses are the perfect treat.

What Makes a Halloween Offer Great?

The flashiest bonus isn’t always the best one, as I’ve discovered after years of testing Halloween promotions. When it comes to distinguishing the tricks from the treats, I’ve found that the following matters:

• The spooky element: A fantastic Halloween bonus lets you get into the spirit of the season. Daily quests with eerie plots, secret prize announcements, and imaginative themes that transcend a simple free spins offer are what I mean. Promotions that make me feel like I’m participating in a Halloween adventure rather than merely receiving another typical orange-branded bonus are the ones that most excite me.
• Flexibility in your gameplay: The top Halloween deals provide you with options. Can you select between wagering challenges and deposit bonuses? During the promotion period, are there multiple ways to earn rewards? Promotions that offer daily tasks or progressive challenges, in my experience, tend to keep things interesting longer than one-time bonuses that disappear after just one spin session.
• Realistic playthrough: Bonuses with 60x wagering requirements that seem incredible on paper make me wary. A modest offer with 20x wagering is more likely to put money in your pocket than a huge bonus that you will never be able to use. I like to calculate the expected value, not just the headline figure, and I recommend you do the same.
• Timing and duration: Top casinos recognise that Halloween is more than just October 31st. Promotions that last at least a week are my preference because they allow me to participate without feeling hurried. Bonuses that need you to log in at certain times or that expire in 24 hours? Offers like these end up being more stressful than fun, which defeats the whole purpose of seasonal entertainment.

Why Do Online Casinos Offer Halloween Bonuses?

Here are a few of the key reasons that an online casino might ramp up their bonus offers around Halloween time.

• Seasonal celebration: Halloween is a widely celebrated holiday, and online casinos join in the fun by offering spooky promotions. These bonuses are a way for the casinos to show appreciation for their players and help them enjoy the Halloween season. Plus, there are a lot of Halloween-themed slots that the casinos can marry to the bonuses.
• Attracting new players: Halloween bonuses can help online casinos bring in new players. That’s great for business, of course! These eye-catching promotions draw in curious gamblers with the hope of leading them to register and try their luck at the casino.
• Player retention: Halloween bonuses are a great way for online casinos to keep players at the site so that they keep depositing cash and playing.
• Increased activity: Halloween bonuses stimulate increased activity within online casinos. The thrill of Halloween-themed games and special offers often leads to higher player engagement and more bets placed, benefiting the casino’s revenue.
• Enhanced player experience: Online casinos aim to enhance the overall player experience. Halloween promotions can provide players with extra value for their money and a whole lot of fun while they’re at it.
• Marketing and branding: Halloween-themed promotions can be part of a casino’s marketing strategy, which helps to strengthen their brand images. This helps the business to grow.

Halloween Casino Bonuses vs Regular Casino Bonuses: How are They Different?

“Are Halloween bonuses actually better than what I can get any other time of year?” is a question I get asked every October. The honest answer? What you value as a player will determine this. From my experience reviewing hundreds of promotional offers, Halloween bonuses aren’t always just regular offers with a spooky twist. They are made with an entirely different approach in mind. Let me explain what I’ve observed:

• You benefit from the urgency factor: Casinos frequently front-load more value to generate buzz because they are aware that the promotions are time-limited. During the week of Halloween, I’ve seen some bonuses that surpass the value of a regular welcome package. The catch? You need to act fast, which, depending on your play style, can be thrilling and stressful
• The choice of games reveals the real story: Halloween bonuses are nearly always linked to themed slots, while regular bonuses allow for a more generic selection from the casino’s collection. If you enjoy games like Blood Suckers or Halloween Jack, this can be brilliant. However, if you prefer table games or other non-themed slots, it can be frustrating. I always check whether the game selection tied to the offer is appealing to me before I get excited about the bonus amount.
• The experience vs the maths: Halloween offers frequently come with interactive features like daily quests, progressive challenges, and mystery rewards that regular bonuses don’t usually bother with. Because of these characteristics, the promotion feels less like a transaction and more like an occasion. From a mathematical perspective, a well-designed regular bonus with better wagering terms might actually yield more withdrawable cash.

Here’s how I compare the key differences:

How Do I Find Online Casino Halloween Bonuses?

Finding a casino Halloween bonus can be an exciting experience for players, as online casinos often go all out to offer enticing promotions during this spooky season. Here are 5 ways how you can navigate the virtual haunted house of bonuses and discover the best treats:

• Casino comparison and review sites: If you haven’t chosen an online casino site to play at yet, you can enjoy plenty of Halloween welcome bonuses around that time of year. So, check out some comparison and review sites to find new recommendations at.
• Promotions/bonus pages: Once you’ve chosen a casino, head straight to its promotions or bonus pages. These sections are treasure troves of festive offers, including Halloween-themed bonuses. Browse through the available Halloween casino promotions to see which ones match your preferences.
• Customer service: Don’t hesitate to reach out to the casino’s customer support. Agents can provide valuable information about ongoing Halloween promotions, including bonus codes and specific terms. A quick chat with them could stop you from missing out on any spooky offers.
• Keep an eye on social media: Some casinos announce exclusive Halloween bonuses through their social media channels. So, I recommend following your favourite casinos on platforms like X, Facebook etc. in order to stay updated on the latest promotions.
• Subscribe to newsletters: Many online casinos send newsletters to their subscribers. Sometimes, these could include exclusive Halloween casino promotion offers and bonus codes. Subscribing to a casino’s newsletter can be a rewarding way to receive personalised Halloween offers directly in your inbox.

How to Claim Halloween Casino Promotions

Claiming Halloween promotions is a straightforward process. Follow these 6 easy steps to make the most of these festive offers:

1. Select a casino: Choose a reputable online casino that offers Halloween-themed promotions.
2. Create an account: Register for an account at the chosen casino. If you’re an existing player, log in to your account.
3. Navigate to the promotions section: Most online casinos will have a specific page full of the promotions they’re currently running at the time. Make sure to go there and look at the welcome bonus to check out the terms.
4. Redeem the bonus: Some bonuses may require a bonus code for activation. Enter the provided code when you’re prompted to; otherwise, you’ll miss the chance to activate the bonus.
5. Make a deposit (if needed): Depending on the bonus, you may need to make a qualifying deposit to unlock the offer. Some bonuses come in the form of no-deposit offers, which do not require a deposit to activate.
6. Enjoy your bonus: Once it’s activated, you can enjoy your Halloween bonus. These free spins, bonus cash, or other rewards are yours to use! Just make sure to play through the wagering requirements and meet the other terms and conditions.

Common Terms & Conditions

Halloween Casino bonuses, like all casino promotions, come with specific terms and conditions. Understanding these conditions is very important so that you don’t end up voiding your bonus funds or your free spins. Here are 6 of the most common terms to be aware of:

• Wagering requirements: These indicate the number of times you must wager or play through your bonus or winnings before they become withdrawable.
• Expiration dates: Bonuses often have expiry time frames which could be anywhere between a day to a month, so be sure to use them within that time period otherwise the bonus will be voided.
• Game restrictions: Some bonuses are limited to specific games or slots. Check which games you can play with your bonus.
• Maximum bet: There may be a maximum bet limit while using bonus funds.
• Withdrawal limits: Bonuses may have withdrawal limits which can restrict the amount you can cash out.
• Minimum and maximum deposits: If a deposit is required to activate the bonus it could well be subject to a minimum and a maximum amount.

Tips on How to Make the Most Out of Your Halloween Casino

To maximise your wins and make the most out of your Halloween Casino bonuses, consider these 5 tips:

1. Read the terms: I’ve already covered the most common terms & conditions in the list above. Ensure you always thoroughly read and understand the terms and conditions of each bonus before claiming to avoid any surprises.
2. Wager wisely: Manage your bets wisely and stay within your budget to extend your gaming experience.
3. Try new games: Explore exciting new Halloween slot games and diversify your gameplay.
4. Keep an eye on expiry dates: Be aware of bonus expiration dates to ensure you use them in time.
5. Stay responsible: Make sure to gamble responsibly and set limits to prevent overspending. You can also even go as far as setting up a self-exclusion period if you feel like you need it.

In general, I think that the positives outweigh the negatives here, as the fact that you can actually access these bonuses in the first place is awesome, and you can work around the terms and conditions as long as you’re sensible with them.

And being able to use these bonuses on Halloween slots really adds to the excitement of the time of year!

Top 10 Halloween Slots

Halloween-themed slot games add an extra layer of excitement to the holiday season, and as mentioned in the ‘What is a Halloween Casino Bonus?’ section, you will typically find offers tied to these themed slots. Here are 10 of our favourite Halloween slots updated for 2025 by our resident slots expert Anton, each offering a unique and thrilling experience:

Play Responsibly at Halloween Casinos

As you indulge in the Halloween spirit and explore these exciting bonuses and slots, always remember to gamble responsibly. Set limits on your spending, take breaks when needed, and ensure you are of legal gambling age, which is 18+ in the UK and most of the world.

If you ever feel that your gambling habits are becoming problematic, seek assistance from responsible gambling organisations.