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What Is RTP in slots?

Publish Date: 30/04/2026
Fact checked by: Dave Kuzio

If you're new to slots, you've probably come across the term “RTP.” As such, you might ask yourself this question: What is RTP in slots? Not to worry, though. This term is easy to grasp.

RTP, or return-to-player, shows how much a slot gives back over time. However, note that a slot's RTP is theoretical. You could get higher or lower returns than the game's return-to-player rate suggests. Want to know more about slot RTPs, their link with volatility, and how they work in real-time? Read this guide to the end.

Quick facts about slot RTPs

  • RTPs show how much a slot will return back over time.
  • Low RTP slots typically offer lower returns, while high RTP slots offer higher returns.
  • Ugga Bugga is one of the top high-RTP slots, with a 99.07% RTP.
  • BetMGM, Los Vegas, and Betnero are the best UK online casinos for playing slots with different RTPs.

What does RTP mean in slots?

So, what is RTP in slots? RTP stands for “Return to Player.” It's a percentage that shows you how much you'd get back when you play a slot game. Let's say a slot has an RTP of 96%. If that's the case and you play £100 on that game, you'll get back £96. The remaining £4? Well, it goes back to the casino.

However, let's make something clear. The RTP of a game is calculated over a long period. We're talking about thousands of spins here. So, you won't get £96 back every time you spend £100 on a game with a 96% RTP. Sometimes, you'll get a higher payout. At other times, the payout could be less.

RTP levels in slots

We've answered the question, "What does RTP mean in slots?" Now, let’s shed light on the different levels. Slot games at UK online casino sites have different RTPs. The table below shows the two levels of RTPs in slots:

Slot type RTP range What it means for you
Low RTP slots 95% or lower Lower long-term returns, but often include progressive jackpots that can award large payouts.
High RTP slots 96% or higher Higher theoretical long-term returns, making them better for extended play and steady value.

What is the meaning of RTP? Getting context with real examples

We've explained the meaning of RTP slots and their levels. In this section, we'll be reviewing three popular slots and their RTP rates:

Ugga Bugga (RTP: 99.07%)

Game image

Ugga Bugga

  • RTP:

    99.07

  • Theme:

    Lost Tribes

  • Volatility:

    low

Ugga Bugga is a slot from Playtech. It has an unusual 10-reel layout. Across the grid, you'll find icons like masks and drums that create a tribal atmosphere. Ugga Bugga has one of the highest RTPs you'll ever find at 99.07%. This RTP means you can expect payouts on almost every spin. However, since the slot's volatility is low, these wins will be small.

Big Banker (RTP: 94%)

Game image

Big Banker

  • RTP:

    94

  • Theme:

    Gems & Jewels

  • Volatility:

    medium

Big Banker is CR Games' brainchild, featuring 5 reels, 3 rows, and 10 ways to win. This slot has a classic vibe, with simple yet shiny symbols scattered across the reels. Big Banker has an RTP of 94%. The game isn't all that bad. It has bonus spins round where you can land scatters and wilds. Landing these icons can steer you to the game's max win of 500x your stake.

Book of Ra (RTP: 92.13%)

Game image

Book of Ra

  • RTP:

    96

  • Theme:

    Mythology

  • Volatility:

    high

One of the top online slots for real money at UK online casinos is Book of Ra, developed by Greentube. This slot features a bonus spins round where a random symbol can expand and set you up for massive wins.

If you were able to trigger the bonus spins game and start the round with a premium expanding symbol, you could get the game's maximum win of 5,000x your stake. Book of Ra has a low RTP of 92.13% but high volatility. Its high volatility indicates bigger payouts, but they occur less frequently.

Top UK online casinos for playing slots with different RTPs

Below are three top online casinos in the UK you should consider to play varying RTP slots:

BetMGM – A slot-focused welcome bonus

If you want bonuses that you can use to play slots for long periods, consider what BetMGM has to offer. As a new player, you'd get 200 bonus spins on Big Bass Splash when you play through £10 on eligible games. Existing players aren't left out. As one, you'd have access to a daily prize wheel offering spins, cash prizes, and other rewards.

BetMGM UK offers hundreds of high-quality slot games with varying RTPs. Popular titles include Legacy of Dead and Bigger Bass Splash.

Los Vegas – Features high RTP jackpot slots

Los Vegas is where you need to be if jackpot games are your thing. They’ve got plenty of jackpot games where you can land big wins, though of course there’s no guarantee on every spin.

This operator also has some of the best online slots offers we've seen. As a new player, you can claim the site's welcome offer of up to 140 bonus spins on select slots such as Big Bass Splash and Buffalo King Megaways, with a £25 top up. There's also a 10% weekly cashback for returning players, and it's available every Friday.

Betnero – An exclusive VIP program with amazing perks

At Betnero, you can claim a welcome bonus of up to £50 in bonus funds and 50 bonus spins. Betnero also goes one step further with its VIP Club. What's better? Everyone with an active account has access to this club.

As you play slots, you'll collect points needed to climb through the ranks. Depending on your level, you'll be eligible for several perks, including celebration bonuses, weekly cashback, and a VIP welcome bonus. Betnero is also home to hundreds of slots, including high RTP titles such as Book of Ra, Sugar Rush, and The Dog House Megaways.

Pros and cons of the top UK online casinos with slot games

Here are some of the advantages of playing slots at our recommended UK online casinos:

Pros and Cons
Pros and Cons
  • High-quality slot games
  • Licensed by the UKGC
  • Bonuses for new and existing players
  • High wagering requirements

Conclusion – RTPs determine how much you'll get back in payouts

RTP shows how much a slot pays back over time. The higher the RTP, the better your returns. As such, it's best to play games with high RTPs (96% or higher). That said, RTPs are theoretical, meaning that your returns could be higher or lower. Since nothing is guaranteed, it'll be best to play slots for fun, with funds you can afford to lose.

You'll find slots with different RTPs at UK online casinos. However, we recommend brands like BetMGM, Los Vegas, and Betnero for your slot gaming adventure. Why? These sites are legit and offer a variety of RTP slots to suit your needs. To get started, click the on-page banners to register at any one of them today.

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What is RTP in slots FAQs

🎰 What is RTP in online slots?

So, what does return to player mean in slots? In simple terms, it is the percentage of return that a slot will pay back over time.

🔍 How can I find a slot's RTP?

You can do this by clicking the info button on the slot's gaming page. Doing this shows you the game's pay table and return-to-player percentage.

📈 What does high RTP mean in slots?

These are slots with RTPs of 96% or higher that offer high long-term payouts. You'll even find titles with percentages as high as 99%. Ugga Bugga is a great example of a high RTP slot, with a 99.07% RTP.

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