Slingo Review UK: 133 Free Spins, and What Slingo Actually Is

Slingo.com gives new players 133 free spins on Big Bass Bonanza, added automatically when they make a first deposit of £10. The spins are worth 10p each and winnings carry 10x wagering. The main reason to join is Slingo itself, a cross between slots and bingo, and the site has bingo rooms too. With 3.3 out of 5 from 3,718 Trustpilot reviews, it scores better with players than most UK bingo brands.

Here’s what Slingo is in plain terms, what the free spins are really worth once wagering is counted, and what to watch for in the small print.

Slingo key facts

The Slingo 133 free spins offer, explained simply

This is about as easy as welcome offers get. Make a first deposit of £10 or more and 133 free spins on Big Bass Bonanza land in your account automatically. There’s no extra stake to make, no game to pick first and no Promo Code.

The catch is the wagering. Whatever the spins win goes into your bonus balance with 10x wagering, and only slots count. You have 30 days to clear it. While you’re wagering, your maximum bet is 10% of your spin winnings (with a 10p minimum) or £5, whichever is lower. Go over that and Slingo can void your winnings.

Use the spins quickly. Slingo’s bonus policy says free spins are available for 24 hours unless an offer says otherwise. Also, a handful of crash-style games, such as Aviator and Cash It Multiplayer, don’t count towards wagering at all.

Finally, you can withdraw with a bonus active, but only by cancelling the whole bonus balance, winnings included. If you’ve got a decent bonus balance going, finish the wagering first.

Slingo promo code: do you need one?

No. There’s no Promo Code to enter. Make your first deposit of at least £10 and the 133 free spins on Big Bass Bonanza are credited automatically.

How to claim your Slingo bonus

Who runs Slingo.com?

Slingo.com is a white-label site. That means the licence, payments, ID checks and customer accounts are handled by one licensed operator, and the Slingo brand sits on top. The operator here is Skill On Net Limited, licensed by the Gambling Commission under account 39326. The Commission’s public register lists www.slingo.com under that account as a white label, so Skill On Net is the company responsible for you as a customer. The site itself names Slingo Originals as its parent company.

The Gambling Commission register showed no regulatory actions against Skill On Net when we checked in October 2026, but that isn’t the full history. In May 2023 Skill On Net agreed to pay £305,150 over social responsibility and anti-money-laundering failings between January 2021 and December 2022. The same company runs PlayOJO and Genting’s online casino.

What is Slingo, and what else can you play?

Slingo is half slot, half bingo. You get a 5×5 grid of numbers, like a bingo ticket, with a single reel underneath. Each spin throws up numbers, and any that match your grid get marked off, just like dabbing at a bingo hall. Complete a line across, down or diagonally and that’s a ‘Slingo’. The more Slingos you complete in your set number of spins, the higher you climb the prize ladder. Special symbols can help you mark extra numbers or block a column.

It’s a good middle ground if 90-ball bingo feels too slow but straight slots feel too random. Each game is short, and you can see exactly what you need to win.

What do players say about Slingo?

Better than most. Slingo scores 3.3 out of 5 from 3,718 Trustpilot reviews (checked October 2026). That’s average rather than good, but well ahead of most UK bingo sites. Trustpilot says Slingo replies to all of its negative reviews, usually within a day, though many of the replies are short and templated. Here’s what comes up in recent reviews:

• Pending withdrawals. Several reviewers in July and August 2026 describe withdrawals stuck on pending.
• Hard to reach a person. Players say the AI chatbot is unhelpful and email replies are slow. One October 2026 reviewer reported a double-charged deposit.
• Few bonuses for regulars. Some feel free spins and offers are scarce once you’re signed up, or usually need a deposit.
• Plenty of praise for the games. Reviewers like the variety of Slingo games and how easy they are to play, and several mention good experiences with customer service.

Slingo: the good and the not so good

Slingo vs Gala Bingo, Foxy Bingo and BingoStars

Here’s how Slingo’s spins compare with three other free spins offers from UK bingo sites.

Slingo gives the most spins, 133 against 100, and it’s the only one where you don’t have to stake anything after depositing. But it’s also the only one with wagering, 10x on winnings. For most players, 100 spins with no wagering from Gala, Foxy or BingoStars are worth more than 133 with strings attached. Pick Slingo if you actually want to play Slingo.

Is Slingo worth joining?

If you like the idea of Slingo, yes. It’s the home of the game and the site has a far better Trustpilot score than most bingo brands. Just bear in mind that its operator, Skill On Net, paid £305,150 in 2023 over social responsibility and anti-money-laundering failings.

Just don’t join for the welcome offer alone. 133 spins sounds generous, but 10x wagering on winnings and a short window to use them make it worth a few pounds, not £13.30. If you mainly want traditional bingo rooms, our best UK bingo sites list has better options.

Slingo FAQs