There are several popular games in the world of online casinos. However, arguably the most popular are online slot games, with an extensive abundance of titles out there. These work in their unique ways, bringing distinctive themes and gameplay formulas to play, but one factor that remains consistent across all of these releases is RTP.
What Does RTP Mean?
If RTP is something you have yet to come across before, this is simply an abbreviation for the term ‘Return To Player’. This refers to a theoretical percentage of stakes that could be returned to a player when playing a slot game for a long period of time. This is determined based on the games volatility, variance and payline systems, however, one key thing to bear in mind is that the RTP percentage is not guaranteed or backed by data, simply being a 
perceived average.
How Does RTP Affect Casino Matched Betting?
When using casino promotions and bonus offers when casino matched betting, RTP is a crucial consideration when selecting games to use your free credits on to get the best expected value. A common rule of thumb is to select games with high RTP, as these give the best theoretical chances of breaking even or potentially making a profit. 
What Are The Highest RTP Slot Games 
As a result, we here at OddsMonkey have selected a handful of slots with the highest RTP that can be used should you wish to get the best value out of any promotions or offers you may have. One tool that could be used in tandem with these slots is the expected value calculator, which allows matched bettors to implement the value of their promotion, the qualifying cost of receiving this, and the RTP of a slot to understand what value they could expect to be returned.
Starburst
The first of the highest RTP slot games we will mention is the Starburst slot from NetEnt. This space-themed release has an RTP of 96.09%, 10 different paylines, and 7 symbols within its paytable. A star-represented wild symbol acts as this title’s main bonus, and if landed, it can substitute for all other symbols while also expanding.
Fruit Warp
Fruit Warp is the next of the highest RTP slot games we recommend should you have any casino promotions at your disposal. This game from Thunderstruck has an RTP of 97%, and has 9 paylines that work both ways across its playtable. The reels in question change each spin, however, 9 fruit symbols will appear in some way shape or form each time. The main bonus in this title relates to the landing 5 matching symbols in the same spin, and this presents a multiplier metre that could be progressed along should the triggering appear in consecutive spins. 
Big Bass Bonanza 
Reel Kingdom’s Big Bass Bonanza is one of the most popular titles out there. It is also one of the highest-paying slot games, with an RTP of 95.67%. This game has 10 paylines spread across its 5×3 playgrid and 10 different types of base game symbols. The main bonus is a free spins feature, in which fisherman symbols could catch values attached to small fish symbols.
Gold Train 
Traditional gameplay is more central in this Gold Train slot; however, don’t let it distract you from the fact that it is one of the highest RTP slot games. This game comes from Pragmatic Play, and due to its playgrid being only 3×3 in size, it only has 3 paylines. Seven different symbols are included in its paytable, and the main bonus here is a progressive bonus feature that could add random prizes to train carriage symbols.
Diamond Mine Megaways
The final of the highest RTP slot games we will be mentioning is Diamond Mine Megaways from Blueprint Gaming, with this title coming with an RTP of 97.03%. As the transformative Megaways mechanic is included, the play grid is dynamic, changing with each spin, resulting in up to 117,649 paylines. 10 separate base game symbols make up the paytable, and in terms of bonuses, there is a mystery symbol, dynamite wild and free spins feature with a progressive multiplier and cascading mechanic.
Casino Matched Betting At OddsMonkey
Now that you understand what RTP means and what the highest RTP slot games actually are, this information can be used should you wish to start any casino matched betting endeavours. Online casinos repeatedly give out signup and reload offers related to slots specifically, and by understanding how you could strategically use these, you could get the best expected value from them.
At OddsMonkey, we have a whole range of betting calculators that could be used and a plethora of matched betting casino offers housed in one place, two things that can be used in tandem to potentially make a profit.
For more articles to help you with casino matched betting, feel free to check out our dedicated blog section.
 
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