Halloween Casino Bonuses 2026: How to Make the Most of Them

What Kind of Halloween Bonuses are Available to Irish Players?

The truth is that when you go online today or in the coming days, you will find many online casinos offering one form of Halloween bonus or another to their players. So, there’s a wide array of Halloween bonuses available online. Nonetheless, some significant bonuses are often open to players during most Halloween seasons. So, we will be covering some of our favourite bonuses, and this way, you will have an idea of what to expect this Halloween.

The Spooky season has arrived at Cashwin casino!

From the Big Boo Jackpot with random instant wins to the Halloween Challenge guaranteeing €100 cash, and the adorable Piggy Tap Halloween Madness from Onlyplay – the spooky festivities are in full swing! Plus, don't miss out on generous reload bonuses offering up to 50% and loads of free spins to keep the thrills coming.

But the star of the show? The Trick or Treat daily rewards – your chance to unwrap something special every single day.

🎁 How to Claim Your Trick or Treat Rewards:

1. Log in to your Cashwin account and head to the Trick or Treat section

2. Complete today's mission and earn a special spin attempt on the Trick or Treat Wheel!

3. Come back tomorrow for more spooky surprises!

⏰ Promotion Period: October 24 – November 2

Join the Halloween Extravaganza at Spinaro

Spinaro's getting into the Halloween spirit with plenty of treats to explore. Whatever you're in the mood for, this casino got the spooky season covered with something for everyone to try.

But if you're looking for the ultimate Halloween treat, the Halloween Weekly Casino Reload is where the magic happens – offering a frightfully generous 50% boost up to €500 PLUS 50 Free Spins.

💰 How to Claim Your Halloween Weekly Casino Reload:

1. Log in to your Spinaro account

2. Go to the My Bonuses section and activate the Halloween Weekly Casino Reload

3. Deposit a minimum €50 to qualify

4. Play your 50 Free Spins on the hauntingly fun Halloween Bonanza slot

⏰ Promotion Runs: October 24 – November 2

SushiCasino's Not-so-scary Challenge is On

Looking for more than winning a few candies this Halloween? Complete all the tasks in SushiCasino's Halloween Challenge for a chance to walk away with €100 cash. It's straightforward: tackle the missions, tick them off one by one, and the reward is yours.

Whether you're into slots, live casino action, or sports betting, there's something in the mix for every type of player. The challenge runs until November 2nd, so you've got time to work through it all.

💰 How to Claim Your €100 Cash Reward:

1. Log in to your SushiCasino account

2. Go to the Halloween Challenge mission and opt-in

3. Complete all 10 tasks (see below)

4. Grab your guaranteed €100 Cash reward

⏰ Promotion Runs: October 24 – November 2

Welle Casino: Don't Get Spooked

From the 14th of October till the 11th of November, Irish players can claim a whopping up to €4,000 in casino bonuses and 450 free spins spread across 4 weeks. Each week will be filled with spooky rewards.

Week 1: 4.10 - 20.10 | Deposit Bonus: 50% up to €200 Casino Bonus using bonus code ZOMBIE50

Week 2: 21.10 - 27.10 | Deposit Bonus: 100% up to €200 Casino Bonus using bonus code ZOMBIE100

Week 3: 28.10 - 03.11 | Deposit Bonus + Free Spins: 75% up to €200 Casino Bonus + 40 Free Spins using bonus code ZOMBIE75P 

Week 4: 04.11 - 10.11 | Deposit Bonus + Free Spins: 100% up to €200 Casino Bonus + 50 Free Spins using bonus code ZOMBIE50P   

Mr Vegas Casino: Halloween at Mr Vegas Casino

Mr Vegas is offering a spooky offer titled The Alchemist's Laboratory of Horrors. From 28th October until 4th November, there's a nightmarish chamber waiting to be discovered. Players will have to hunt for daily clues that must be solved.

Terms and conditions about this bonus:

• This offer can't be claimed alongside an already active bonus

• Players have to make at least one deposit

• All jackpots are wager-free

• Bonuses must be used in 7 days

Casumo Casino: BirthUMOdays

Throughout the entire month of October, Casumo Casino will be offering daily rewards, all different. These rewards include bonus spins, money bonuses, and match deposit bonuses.

BitStarz: Creepy Carnival Level Up

Are you ready for 41 days of spooky fun? At BitStarz, there's a new achievement to unlock every day with epic rewards, such as free spins and cash rewards. The total rewards amount to €50,000 in individual prices and a €20,000 cash prize.

Level Up Casino: October Tournaments

Level Up Casino has many tournaments, including the popular Daily Cash Drops running throughout Halloween month.

NetBet Casino: Spooky Season Magic Lamp

For this spooky season, NetBet Casino is giving away daily prizes when depositing at least €25. There's a bonus code, which is SPOOKY25 that must be submitted to be able to claim this offer.

Spinoloco Casino: Halloween Themed Game of the Week

Play Piggy Tap, deposit €100 and receive 50 free spins to use on the same game. This offer is valid every week, from Wednesday to Sunday, and the games change every week.

North Casino: Phantom Drops Tournament

By BGaming, this tournament promises a month of fun throughout the month of October. The prize pool is set at €22,500, and there are 1,428 random prize drops. This tournament comes with a list of qualifying games, and there's no minimum bet required to participate. The higher you bet, the higher the chance to win a prize.

Slotbox Casino: Halloween House

For every €150 wagered at Slotbox, players have the chance to get 20 free spins. The maximum amount of free spins that can be unlocked is 100 free spins, each free spin is worth €0.20 and expires after 3 days.

Coolzino Casino: Spooky Tournament

Coolzino Casino has an epic tournament going on until the 31st of October, where players can win a prize pool of €100,000.

Lucky7Even Casino: Halloween Dynamic Drops

In another tournament by BG Gaming, players have the chance to win a prize pool of €20,000 until the 31st of October.

CasinoRocket: Ghost Nebula Tournament

Get ready for more spooky fun at CasinoRocket, this time by participating in the Ghost Nebula Tournament. The minimum bet is set to €1, and the prize is a whopping €1,500 and 2400 free spins.

ArcaneBet Casino: October Madness Tournament

Participate in this tournament at Arcanebet Casino for a chance to win a €5000 prize pool. Every €1 wagered is equal to one point on the leaderboard. That means the more you play, the higher you will climb, and that prize pool will get even closer.

OmniSlots Casino: Pumpkin Hunt & Pragmatic Hallowins Tournament

OmniSlots is certainly feeling the spooky vibes with their Pumpkin Hunt promotion! Players have a 35% bonus waiting for them at their cashier. This promotion will boost their gameplay on all game types, including slots, table games and more. This promotion can only be claimed once, and the wagering requirements are set to 40x. When it comes to tournaments, OmniSlots are participating in Pragmatic Play's Hallowins Tournament. There are many prizes to be won, such as cash prizes and the total prize pool is set to a whopping €700,000.

Spinoli Casino: Spooky Rewards Including Free Spins

At Spinoli Casino, players can enjoy up to €4,000 in bonuses and 450 free spins. The minimum deposit to be able to participate is set to €20, and each promotion can be claimed 5 times, 1 time daily.

VulkanVegas Casino: Endorphina Drops - Halloween Tournament

With a prize pool of €50,000, this tournament at VulkanVegas is unmissable. There's a list of qualifying games for this tournament, which are Halloween-themed and each place on the leaderboard comes with different prize amounts.