High RTP slots you can play at no wagering casinos

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Sam Gascoyne
by Sam Gascoyne Last updated:

No Wagering's selection of the very best slots with a high return to player percentage

If there's one thing online slot enthusiasts love more than anything, it's winning. What better way to see winning spins rack up than by playing a game with a high RTP (Return to Player) percentage.

If you're not aware of what an RTP percentage is, it's a measure of exactly how much money an online slot or casino game returns to the player across a minimum of around one million spins (across all players). 

To make it easier to understand, imagine the RTP of a particular online slot game was 95%, this would mean that the casino has a house advantage of 5%... If a game had an RTP of 100% (which unfortunately would never really be the case) then the player has exactly the same chance of winning money as the casino does, it would essentially come down to the flip of a coin.

The average RTP of an online slot game is somewhere around 96%, however many RTP's vary wildly depending on the bonus features that have been implemented, or potential jackpots that can be won. In this article we've compiled some of the very best high RTP slots you can play at trusted no wagering casinos right now.

Mega Joker - 99% RTP

A gameplay screenshot of Mega Joker slot by Netent

  • Name: Mega Joker
  • Developer: NetEnt 
  • Reels: 3
  • Win Lines: 5
  • Released: 2011

This classic fruit machine-style slot game from NetEnt couldn't be further away from the slots we see and play today. The game accurately replicates a pub-style fruit machine, and as a result only has 3 reels and 5 pay lines... Despite its simplicity, it can be a lot to take in at first but once you get going this retro title will have you hooked.

There aren't any flashy bonus mechanics built into this game, however plays can activate 'Super Meter' mode, which sees wagering rise to 20, 40, 100 or 200 coins per spin as opposed to the standard 1 to 10 coins. Playing with Super Meter mode on will see you pick up larger prizes, but of course comes with a larger element of risk.

Aside from the 99% RTP this game offers, the other main selling point is the Mega Joker progressive jackpot that pays out on average around £15,000 to anyone lucky enough to trigger it.

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Gorilla Gold Megaways - 97% RTP

A screenshot of Gorilla Gold Megaways gameplay

  • Name: Gorilla Gold Megaways 
  • Developer: Blueprint Gaming
  • Reels24
  • Win Lines: 117,649 
  • Released: 2020

If 5 or 6 reels doesn't do it for you perhaps it's worth taking a look at Gorilla Gold Megaways, as this game has a mind-boggling 24 reels across four (yes four!) game screens as part of the Power 4 Play initiative from Blueprint Gaming. 

With the Megaways mechanic thrown in on top of the already generous amount of reels and ways to win, it really comes as no surprise that this game has the potential to pay out a healthy amount of money to lucky players.

The main bonus feature to look out for when playing Gorilla Gold Megaways is the Gorilla Gold Bonus that prompts the player to spin a wheel which awards them with either a random number of free spins or Super Spins. The latter of the two options sees a win multiplier increase on every active reel set in play during the free spins, resulting in massive wins.

Kingdoms Rise: Chasm of Fear - 97.06% RTP

Gameplay of Kingdoms Rise Chasm of Fear

  • Name: Kingdoms Rise: Chasm of Fear
  • Developer: Playtech Origins
  • Reels: 5
  • Win Lines: 3,456
  • Released: 2020

The latest installation of the hugely popular Kingdoms Rise series from Playtech Origins, Chasm of Fear, boasts an RTP of 97.06% which makes it worthy of making our list, especially considering this is a jackpot slot. 

Visually, the game is a departure from other Kingdoms Rise titles, as it looks somewhat akin to a retro video game, however this certainly isn't a bad thing. Each individual Kingdoms Rise game tends to try and carve out its own individual identity, despite being part of the same series, part of the reason we believe it's been such a huge hit with fans.

In terms of gameplay and mechanics this 5-reel, 3,456 pay line slot is jam packed with excellent features including re-spins, wilds and free spin rounds that are played with an additional 2 rows of symbols. 

Of course, as this is a Kingdoms Rise slot then you'll naturally also find the Kingdoms Rise Shop, Kingdoms Rise map and the three Kingdoms Rise Jackpots: Epic Jackpot, Power Strike Jackpot and Daily Strike Jackpot.

Rainbow Riches - Drops of Gold - 97.75% RTP

Gameplay screenshot of Rainbow Riches Drops of Gold slot

  • Name: Rainbow Riches - Drops of Gold
  • Developer: Barcrest 
  • Reels: 5
  • Win Lines: 50
  • Released: 2018

Part of the classic Rainbow Riches series, Drops of Gold is well-known by long-time slots enthusiasts for its innovative gameplay that sees silver and gold pots drop down into play from a second set of reels situated above, which in turn brings multiple wild symbols into play.

This classic 5 reel slot has 50 pay lines as standard, however with all of the bonus features factored in players can potentially unlock up to 200 lines. Like any good Rainbow Riches slot you'll also find a free spin round that offers players 8 free spins.  

The one feature players should be aware of is the Big Bet Game. Rainbow Riches allows players to place a single Big Bet which consists of 5 linked spins set at one price (as the name suggests this is higher than the average stake). 

At the end of your 5 spins you'll automatically launch a bonus, this could be a super rainbow which sees more pots of gold on the second set of reels, the same again alongside the elimination of all low paying symbols or an additional 100 - 200 pay lines.

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Frequently Asked Questions

  • What does RTP mean in online slots?

    RTP stands for Return To Player. RTP is a statistical value shown as a percentage of how much money is given back to players over thousands or even millions of spins. For example, a slot with 95% RTP would theoretically pay back 95% of the total amount wagered on it.  Most online slot games have an RTP ranging between 85% and 95%.

  • How is RTP calculated?

    The RTP of an online slot is calculated by taking the total amount of money won by players divided by the total amount gambled. This is usually calculated over a minimum of one million spins.

  • What is considered a good RTP?

    The average RTP of a good online slot game at any regulated casino should sit at 96% or above. The only time that anything below 96% is acceptable is when the slot includes a progressive jackpot.

  • Can you tell when an online slot will pay out?

    No, it's impossible to tell when a slot machine will pay out. This is because the outcome of an online slot is determined by a random number generator that is rigorously tested by an independent regulator to ensure legitimacy and fairness.