Are you ready to test your brainpower in our optical illusion code breaker?
Optical illusions have a special way of confusing the brain, making it see things that aren’t there or misinterpreting the things that are. These brain teasers will challenge your perception, creativity, and problem-solving skills.
Take a look and remember they get progressively harder, can you crack the code and join the elite sub 2% who can solve all four?
Optical Illusion 1:
Look closely. Can you find the camouflaged number in this colorful blur? Only those with exceptional vision can spot the 5-digit code that’s hidden in plain sight.
Optical Illusion 2:
This rainbow pattern isn’t just a mesmerizing design. Somewhere in the curves, a sequence of numbers is hiding. Can you spot it without getting hypnotized?
Optical Illusion 3:
This seemingly endless whirlwind of color conceals a code that is just waiting to be deciphered deep inside the spiral.
Concentrate! Do you see the code yet?
Optical Illusion 4:
It’s easy to ignore the problem when you’re drawn in by the swirling shapes. But if you can maintain focus, a string of numbers will begin to appear.
How did you do?
Don’t worry if you’re feeling stuck! These are supposed to be challenging illusions. Need some help?
Scroll down to see the answers and discover how your eyes deceived your brain.
Advertiser Disclosure: When you use WhichBingo, there are never any hidden fees or costs. To help fund our work we may earn a referral commission if you create an account via our site. This commission never impacts the impartiality of our reviews and ratings.
18+ New Customers. Opt in. Deposit & play £10 in any Bingo room within 7 days. Get £50 Bingo Bonus, x2 wagering, max redeemable £200. Rewards expire after 7 days. T&Cs apply | GambleAware.org | Please gamble responsibly. Full T&Cs Apply.
New Players Only. Wager from real balance first. 2X wager the bonus on Bingo games. The wagering requirement is calculated on bonus bets only. Bonus valid 30 days / Free spins valid 7 days from receipt. Max conversion: 1 time the bonus amount or from free spins: £20. Min Deposit £10 required. Withdrawal requests void all active/pending bonuses. Excluded Skrill and Neteller deposits. Withdrawal requests void all active/pending bonuses. Excluded Skrill and Neteller deposits. Full Terms apply.
18+ New players only. Min deposit £10 and £10 stake on slot games required. 100 Free Spins on Big Bass Bonanza credited automatically. Free Spins value: £0.10 each. Free Spins expire 48 hours after crediting. No wagering on Free Spins; winnings paid as cash. Full T&C’s apply.
18+ New players only. Min deposit £10 and £10 stake on slot games required. 100 Free Spins on Big Bass Splash. Free Spins value: £0.10 each. No wagering on Free Spins; winnings paid as cash. Bingo tickets: Min deposit £10 and £10 real-money spend on Bingo required. Max ticket value £0.10. No wagering on ticket winnings; paid as cash. Tickets and free spins expire after 48 hours. Full T&C’s apply.
New players. Dep (Excl. PayPal & Paysafe) & spend min £5 (within 7 days) on selected slots for spins or £5 in selected bingo rooms – 5x wagering for bingo bonus. Individual promo T&Cs apply. Full T&Cs Apply.
18+. New customers only. From 10.12.24. Deposit & spend £10 within 7 days of registering and get a £60 Bingo Bonus (4x wagering). Claim & use within 7 days. Restrictions and T&Cs apply.
1st deposit only. Stake £10 on bingo for £40 bingo bonus (£30 online & 2 x £5 Club vouchers). 4x wagering requirements on online bingo bonus. Full T&Cs apply.
18+. New customers only. Register and deposit £10 today for 100 Free Spins or a £30 Bingo Bonus. Stake £10 on Casino for free spins (accept in 48hrs + wager winnings 10x within 7 days) on selected games. Or stake £10 on Bingo tickets for Bingo Bonus (accept and wager 4x within 7 days). Debit card deposits only. Offers end 30.04.26. T&Cs Apply. GambleAware.org
First deposit only. Min deposit £10. Bingo tickets valid up to £0.02 in the Feel the Fun room. 80 Free Spins on Big Bass Bonanza. Spin Value: £0.10. Excl. new players in N.I. This offer is only available for specific players that have been selected by PlayOJO. If you have arrived on this page not via the designated offer via PlayOJO you will not be eligible for the offer. Irregular play may lead to removal of reward. OJO’s Rewards and Game Play policy applies. Gambleaware.org #AD
Answers:
Optical Illusion 1:
The hidden number is 38441. It’s carefully camouflaged within the gradient of colors.
Optical Illusion 2:
The number you are looking for is 65452. Did you manage to spot it amidst the wave-like pattern?
Optical Illusion 3:
Hidden deep in the spiral is the number 78255. It’s easy to get lost in the spiral, but the number is there!
Optical Illusion 4:
The swirling shapes may have been distracting, but the number 67834 is hidden among them.
We’re excited to invite you all along to enjoy a free night of laughter and bingo. WhichBingo is the brand new sponsor of the Dabbers Bingo Comedy Caller Contest 2026 — the competition that’s been making bingo the most fun night out in London for the past six years. Come and Watch For Free You won’t want to miss these nights of laughs and dabs. And thanks to WhichBingo‘s sponsorship,…
We’ve had a look at the live and online bingo and casino events and offers across the UK this month, and there’s a lot to like. Two proper occasions: one to show Mum she’s loved, one to wear something green and pretend you’re a little bit Irish. Both are a great excuse to get out and do something memorable. Mother’s Day – Sunday 15 March If Mum’s your bingo partner…
A 60-year-old Wigan local has become the very first person in the UK to claim the new £250,000 jackpot in the National Bingo Game. The woman’s Tuesday night catch-up with her daughter at the Wigan Club 3000 turned into a moment she’ll never forget. “When my numbers were called, I was in total shock. “At first, I thought it was a false call, but when I realised it wasn’t, I…
The National Bingo Game clearly doesn’t care about omens because, despite it being Friday the 13th, they have just launched a new jackpot. To celebrate the launch, they’ve also released new research into the quirky habits and traditions of bingo fans across the country. A quick heads-up: Whether you’re wearing your lucky socks or sitting in your “magic” chair, remember that bingo is a game of pure chance. We love…
If you’re going to do poker in London, you may as well do it properly. That’s exactly what father-and-son entrepreneurs Jimmy and Simon Thomas have done at the Hippodrome Casino, managing to transform one of the capital’s most iconic buildings into a poker destination that rivals anything in the UK. Right in the heart of Leicester Square, this isn’t a single table hidden behind rows of slot machines. It’s a beautifully restored,…
It’s time to decide the best slot games of 2026. The race for the WhichBingo Awards 2026 is officially on, and the Best Slot Game category is more competitive than ever. Now in its fourth year, this award is a true player favourite. The question is; will 2026’s best slot be a new release, a cult classic, or a franchise darling? Here are the nominees for Best Slot Game 2026…
Grab your dabbers bingo fans, the WhichBingo Awards 2026 are officially on the horizon. Now in our 13th year, the WhichBingo Awards are all about recognising the sites, games, venues, and people that players love. Winners are chosen through a mix of player votes, editorial insight, and expert opinion. From the bingo sites you keep coming back to, to the chat teams that make every session more fun, this is your chance to have your…
Your chances of walking away with real cash from a casino bonus are set to improve significantly. New UK regulations are putting an end to unfairly high wagering requirements. From 19th January all casino sites must adhere to a 10x maximum wagering cap on bonus offers, following a landmark ruling by the Gambling Commission. Editor’s Note: Though your ability to convert bonus into real cash is improving, gambling is still…
It’s time to decide the best slot games of 2026. The race for the WhichBingo Awards 2026 is officially on, and the Best Slot Game category is more competitive than ever. Now in its fourth year, this award is a true player favourite. The question is; will 2026’s best slot be a new release, a cult classic, or a franchise darling? Here are the nominees for Best Slot Game 2026…
Grab your dabbers bingo fans, the WhichBingo Awards 2026 are officially on the horizon. Now in our 13th year, the WhichBingo Awards are all about recognising the sites, games, venues, and people that players love. Winners are chosen through a mix of player votes, editorial insight, and expert opinion. From the bingo sites you keep coming back to, to the chat teams that make every session more fun, this is your chance to have your…
Your chances of walking away with real cash from a casino bonus are set to improve significantly. New UK regulations are putting an end to unfairly high wagering requirements. From 19th January all casino sites must adhere to a 10x maximum wagering cap on bonus offers, following a landmark ruling by the Gambling Commission. Editor’s Note: Though your ability to convert bonus into real cash is improving, gambling is still…
Every December, game studios unwrap their festive releases. Cue games with Santa and jingling soundtracks. We’ve tested the newest and most popular Christmas slot games, checked the small print, and brought together the ones that genuinely stand out. In true WhichBingo style, here’s your honest guide to the best Christmas slot games 2025. What they do well, who they suit, and where to play them safely. The 6 Best Christmas Slot…
Your chances of walking away with real cash from a casino bonus are set to improve significantly. New UK regulations are putting an end to unfairly high wagering requirements. From 19th January all casino sites must adhere to a 10x maximum wagering cap on bonus offers, following a landmark ruling by the Gambling Commission. Editor’s Note: Though your ability to convert bonus into real cash is improving, gambling is still…
Kenny Rogers was right. “If you’re gonna play the game, you gotta learn to play it right”. It’s Safer Gambling Week so we’re taking you back to school to teach you how your brain tricks you when you gamble – and what you can do to play smarter (and safer). 3. The Gambler’s fallacy Perhaps one of the best known terms in gambling. The gambler’s fallacy is the mistaken belief…
Anyone accessing gambling sites or visiting gambling venues this week will see traditional marketing taken down in favour of Safer Gambling posters, but does anyone actually notice – and more importantly does anyone actually care? conversations we are often reluctant to have From every angle I believe strongly that Safer Gambling Week is a vitally important campaign designed to raise awareness of safer gambling and to open up conversations that…
It may be Halloween but we’re officially saying goodbye to some financial frights in the world of gambling. A significant set of new measures are set to boost the clarity, and ease of use for gambling deposit limits. And there is proven evidence that changes like this will help. The core goal of these improvements is to increase consumer empowerment. Here is what these changes mean for your experience, starting…
The United Kingdom is set to spend over £2 billion on Mother’s Day this year but new survey which polled 500 mothers reveals much of that money will be spent on exactly the wrong things. It turns out that what mums want most isn’t a scented candle or a new cardigan. It’s something far simpler, and far cheaper. What Mums Really Want 34% of British mums say the best Mother’s…
We sat down with Shaun Wallace- barrister, Mastermind champion and The Chase’s Dark Destroyer- to talk about the joy of quizzing, the myths TV gets wrong about the law, and the deeply personal moment that changed how he sees himself. “I Always Want to Learn, No Matter How Much You Know” Shaun Wallace has been outsmarting contestants on ITV’s The Chase since 2009, but ask him what keeps him coming…
Forget ‘blondes have more fun’, we’re here to argue that the redheads are actually running the show. From chart-topping superstars to braided moustaches, red hair is the ultimate trademark of an icon. To celebrate the bold and the bright, we’re counting down the most iconic redheads to ever grace our screens, and chocolate wrappers? Check out our list of our favourite famous redheads and see if your favourite ‘flame-haired’ star…
We sat down with Danielle Harold who is best known for her unforgettable portrayal of Lola Pearce in EastEnders to talk about the scenes that tested her most, the soap actor snobbery that’s finally shifting, and what comes next for one of soap’s most compelling talents. “I Always Knew I Had to Be on My Toes” We asked Danielle who made her most nervous walking onto the EastEnders set, and…
by
Shaun Frackleton
5min
Updated November 6, 2024
Killian Morris
Entertainment & Social Media Specialist
“Social Sharpshooter” is a name that reflects Killian Morris’s ability to blend strategic PR, social media savvy, and a deep understanding of the iGaming landscape. With nearly a decade of experience, including roles at industry giants like Paddy Power Betfair and Gambling.com, Killian has honed his craft in building successful campaigns that connect brands with their audiences on a global scale.
Reader comments