Slingo bonus guide

What a Slingo bonus is

Slingo combines a bingo-style number grid with a row of slot-style reels. A Slingo bonus is a promotion you can spend on those games. In the UK it usually takes one of two shapes: a set of free Slingo games at a fixed stake after a qualifying deposit or bet, or bonus funds whose terms include Slingo among the eligible games.

Because Slingo sits between two product types, it's often treated differently from both. Slot offers may not count it, and bingo bonuses usually apply to bingo rooms rather than Slingo. That's why checking which category a casino puts Slingo in is the first step with any offer. This page is part of our casino bonuses by game section.

Slingo bonus offers at our partner casinos

None of our five partners offers a Slingo bonus, as of our 5 October 2026 check. Their welcome offers are slot-based or slot-weighted, so here's how Slingo relates to each:

The qualifying bet point matters most. If an offer says "bet £10 on slots" and the casino files Slingo under a separate category, £10 spent on Slingo might not trigger the spins. Our bet £10 get free spins page explains how those qualifying bets usually work.

How Slingo works: the parts that affect a bonus

Most Slingo games follow a similar pattern, though each game's help screen has the exact rules:

• You pay a stake for a game, which gives you a set number of standard spins.
• Each spin lands numbers on the reels; matching numbers in the grid column above are marked off.
• Special symbols, such as jokers, let you mark a number of your choice, while others can block a reel or affect your prize.
• Completed lines move you up a prize ladder; the more lines, the higher the payout at the end of the game.
• When the standard spins run out, you're usually offered extra spins at a price that changes depending on how close you are to the next prize level.

That last step is what sets Slingo apart for bonus purposes. The base stake buys the game, but each extra spin is an additional stake inside the same game. A bonus that pays for the game may not pay for the extras.

Extra spins: what a free Slingo game often doesn't cover

Free Slingo games are typically credited at a fixed base stake. If you choose to buy extra spins at the end, the cost usually comes from your cash or bonus balance. Here's an illustration using made-up prices, since real ones vary by game and position:

You never have to buy extra spins; you can end the game and collect what you've won. The point is that the headline "10 free Slingo games" describes the base stakes only. If the terms say extra spins can't be bought with bonus funds, or count differently towards wagering, that's a significant term and should be shown clearly with the offer, as the ASA's guidance on promotional terms and conditions (opens in a new tab) explains.

Slingo bonus maths with worked examples

Slingo games publish an RTP in their help screen, and some explain how extra spins are treated in that figure. The examples here use an illustrative 95% RTP for the base game; use the real figure for the game you'd play.

At 25% weighting, £800 of stakes at a 5% edge costs about £40 on average, double the bonus, so the funds are likely to run out first. All of these are long-run averages; a single game can pay far more or nothing at all, and a bonus never changes a game's odds. Our RTP explainer covers how the percentage is set.

Slingo game weighting and what UK offers often exclude

There's no standard contribution percentage for Slingo. Some casinos count it in full like slots; others list it at a reduced rate or exclude it from bonus play. You'll see it under headings like "Slingo", "bingo-style games" or "other games". Our game weighting guide explains how to read those tables.

Terms that commonly affect Slingo bonuses:

• Exclusion of Slingo from the games that clear wagering, or from the qualifying bet;
• Rules on buying extra spins with bonus funds;
• A max bet with an active bonus, which may apply to the base stake and to extra spins; see our max bet guide;
• Expiry, which matters because a full Slingo game with extras takes longer than a single slot spin;
• Excluded payment methods for the qualifying deposit.

UK rules and Slingo bonuses: does Slingo count as a slot?

The Gambling Commission's online slots stake limit guidance (opens in a new tab) defines an online slot as a reel-based casino game played online, and describes a reel-based game as one using reels or similar visual means to show changing symbols that decide a prize. It doesn't name Slingo. Slingo does use a reel row, so check the stake range the casino applies. Where a casino treats a Slingo game as a slot, the guidance says further stakes within the same game cycle count towards the £5 (25+) or £2 (18–24) limit, which is relevant to extra spins.

The cap and the product-mixing ban are in the Commission's rewards and bonuses code (opens in a new tab). Our pages on the mixed-product promotion ban and online slot stake limits explain both in more depth.

How to check a Slingo bonus before you claim

1. Read the offer's significant terms: qualifying deposit or bet, number and stake of free games, wagering, expiry and excluded payment methods.
2. Check whether Slingo counts towards the qualifying bet and towards wagering, and at what percentage.
3. Look for a clause on extra spins: can bonus funds buy them, and do they count towards wagering?
4. Open the game's help screen and note the RTP and how extra spins are priced.
5. Set a deposit limit and decide in advance whether you'll buy extra spins at all.
6. If you claim, track wagering in the bonus tab and stop at your limit.

Our clause-by-clause guide to casino bonus terms covers the wording to look for.

Slingo bonus or slot free spins: which suits you?

If you mainly play slots, a straightforward spin offer is easier to value. If you prefer Slingo, a dedicated offer with clear extra-spin rules is better than trying to use a slot bonus on it. Our guide to which bonus is best for slots covers the slot side.

Where to play: partner slot offers alongside Slingo

No partner has a Slingo bonus, so these are slot offers for new customers aged 18+, terms apply. None gives free Slingo games:

• Coral: deposit (certain types excluded) and bet £10+ on slots for 100 free spins at 10p (£10 of spins) on selected games; 48 hours to accept, valid 7 days, no wagering on winnings. Neteller, PayPal, Paysafe, Skrill, prepaid cards and certain debit cards don't qualify. Check whether Slingo counts towards the £10 in the Coral bonus terms.
• Ladbrokes: deposit and spend £10+ on slots for 50 free spins a day for 10 days (up to 500 at 10p) on selected games; claim before 23:59 daily, valid 7 days, no wagering. Prepaid cards, PayPal, Paysafe, Neteller, Skrill and Moneybookers deposits don't qualify. Check the qualifying games in the Ladbrokes bonus terms.
• PlayOJO: 80 free spins at 10p on Big Bass Bonanza (£8 of spins) after a first deposit of £10+, winnings paid as cash with no wagering; not available in Northern Ireland. See PlayOJO free spins.

18+. Gambling should be entertainment that costs money, not a way to make it. Decide a budget before you play: set a budget. Free, confidential help: National Gambling Helpline 0808 8020 133.