Avalon slot review

What is the Avalon slot?

Avalon takes its name and characters from the King Arthur legends: the misty island of Avalon, the Lady of the Lake and a treasure chest worth guarding. It was released in 2006 by Microgaming, whose games catalogue passed to Games Global in 2022. That makes it one of the older titles you’ll still find in a modern slot lobby.

The design is classic. You get 5 reels, 3 rows and 20 paylines, one wild, one scatter and a single bonus round. There are no cascades, collect symbols or expanding grids, so it suits players who want a game they can understand in a minute.

Studios can supply a game to casinos in more than one RTP version. Before you play for real money, open the game’s help or info screen in your app and confirm the figure it shows.

How the features work in Avalon

Avalon keeps its feature set short, which is part of its appeal; Casino.org’s Avalon overview (opens in a new tab) lists the same small set of features. Here is each piece in turn.

The Avalon wild

The Avalon symbol is the wild. It stands in for the regular pay symbols to help complete a line win on any of the 20 paylines. Like most wilds, it does not replace the scatter, so it cannot help you reach the bonus.

Lady of the Lake scatters

The Lady of the Lake is the scatter. Scatters don’t need to sit on a payline; what counts is how many land anywhere in view. Three or more of them on one spin start the bonus round.

The free spins round

Landing three or more Lady of the Lake scatters awards 12 free spins. At the start of the round, a multiplier is chosen at random, up to a maximum of 7x, and it applies to wins during those spins. During the round the Treasure Chest symbol also behaves as a wild, so there are two symbols helping to complete lines rather than one.

That combination is the heart of the game. A low multiplier with few wild hits can make the round feel quiet. A high multiplier landing alongside regular Treasure Chest wilds is where Avalon’s better results come from. You don’t choose the multiplier, and nothing you do in the base game changes it.

Avalon slot RTP and volatility explained

An RTP of 96.01% means the game is built to pay back £96.01 for every £100 staked, measured over a very large number of spins. The remaining 3.99% is the house edge, and it’s the clearest guide to cost: on average, a spin costs your stake multiplied by 3.99%.

In a short session that average tells you very little about your own result. Volatility describes how bumpy the ride is. Avalon is rated medium, which means a mix of modest line wins and occasional bigger payouts, mostly in the bonus. It is calmer than the extreme-volatility games that dominate new releases.

To put cost in hourly terms, the table assumes 400 spins an hour. That’s an illustrative pace, well below the UK ceiling of 1,440 spins an hour set by the 2.5-second minimum spin time.

These are averages, not predictions. Medium volatility still allows sessions that end well above or below them, but the further your stake rises, the faster the expected cost grows.

What £20 buys on Avalon at 10p, 50p and £1

Avalon’s stake is spread across 20 paylines, so a 10p spin is half a penny per line. Here is what a £20 budget looks like if you stop when it’s gone rather than re-staking winnings.

The average loss works out at about 80p whichever stake you choose, because it’s 3.99% of the £20 you put through. What changes is the number of spins. Fewer spins mean more chance that your budget ends before the 12 free spins arrive.

1. Decide on a fixed amount you’re comfortable spending on entertainment before you open the app.
2. Set a deposit limit so the app enforces it for you.
3. Pick a stake that gives you enough spins; 10p gives 200 spins from £20.
4. Watch the net spend and session time display, which UK casino games must show.
5. Stop when the budget runs out, and treat any win as a bonus rather than a reason to keep going.

Playing the Avalon slot on iPhone and Android

If Avalon appears in your casino app’s lobby, it opens inside the app like any other slot, with nothing separate to install. A 5x3 grid with 20 lines is about as phone-friendly as slots get: large symbols, a simple bonus and no crowded collect values to read.

Whether it opens in portrait or landscape depends on the casino app and the game build. Our guide to portrait and landscape modes in casino apps explains what to expect on each kind of screen.

• Install casino apps only from the Apple App Store or Google Play and check the publisher matches the casino. See casino apps on iPhone and Android phones.
• Use Wi-Fi or a stable mobile signal: a slot result is settled on the server, so a dropped connection doesn’t cancel a spin. Our page on what happens if your app crashes covers the details.
• Keep the app updated, because older versions can stop loading games.

Many apps also offer a demo mode for some games. In the UK, even free-to-play demos need age verification first.

UK rules that apply to Avalon in casino apps

Avalon was released long before the current UK slot rules, but every version offered to British players today has to follow them.

The design rules are set out in the Gambling Commission’s RTS 14 responsible product design standard (opens in a new tab), and the stake caps in its online slots stake limit guidance (opens in a new tab). Our pages on slot stake limits and the autoplay ban explain them in plain English.

Is the Avalon slot worth playing?

Avalon suits someone who wants a gentle, readable slot for a short session at a low stake. If you prefer games where the bonus builds over many spins, a collect-style game or a Megaways title will feel livelier, but they usually come with higher volatility.

Slots like Avalon

If Avalon’s straightforward style appeals, these games on our site share either its studio or its medium-paced feel. Figures are each game’s published specifications.

Read our reviews of Thunderstruck II, Immortal Romance, Ancient Fortunes: Zeus and the Arthurian-flavoured Rise of Merlin. For apps with strong slot lobbies, see our list of the best slot apps in the UK.

Where to play slots like Avalon with a welcome offer

We don’t know of any partner offer tied to Avalon, and we can’t confirm which apps carry it, so check the game lobby before you sign up. The offers below are slot welcome offers on selected games. All are 18+ and terms apply.

• PlayOJO: new UK customers (not Northern Ireland), first deposit of £10 or more, 80 free spins on Big Bass Bonanza at 10p each. No wagering, so winnings are paid as cash. Only through the designated offer link and can’t be combined with other offers.
• Coral: new players, 1 October 2026 to 1 February 2027. Deposit and bet £10+ on slots to get 100 free spins at 10p on selected games, accepted within 48 hours and valid for 7 days, with no wagering on winnings. PayPal, Skrill, Neteller, Paysafe, prepaid and certain debit cards don’t qualify.
• Ladbrokes: new customers who deposit and spend £10+ on slots get 50 free spins a day for 10 days (up to 500), 10p each on selected games, claimed by 23:59 each day and valid for 7 days, no wagering. PayPal, Paysafe, Skrill, Neteller, Moneybookers and prepaid deposits are excluded.

At face value that’s £8 of spins at PlayOJO, £10 at Coral and up to £50 at Ladbrokes. The house edge still applies to every spin. Coral and Ladbrokes are both run by LC International Limited (Entain), so you may not be able to open new accounts at both.

18+. Every casino game has a built-in house edge, so over time you should expect to lose what you stake. Set a budget before you play and stop when it’s gone: safer gambling tools and support. Free, confidential help: National Gambling Helpline 0808 8020 133.