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Play the Best Mystery Slots for Free in the UK - 3

320 Slots
Potion Factory
Demo
Potion Factory
by Leander Games
RTP: 94.95%
The Ghouls
Demo
The Ghouls
by BetSoft
RTP: 94.8%
Trick Or Treat
Demo
Trick Or Treat
by Saucify
Under the Bed
Demo
Under the Bed
by BetSoft
RTP: 96.4%
Zombie Rush
Demo
Zombie Rush
by Leander Games
RTP: 94.89%
Medusa II
Demo
Medusa II
by NextGen
Merlin’S Magic Respins
Demo
Merlin’S Magic Respins
by NextGen
RTP: 92.53%
Merlin’S Millions Superbet
Demo
Merlin’S Millions Superbet
by NextGen
RTP: 95.08%
Potion Commotion
Demo
Potion Commotion
by NextGen
RTP: 95%
Aliens
Demo
Aliens
by NetEnt
RTP: 96.4%
Big Bang
Demo
Big Bang
by NetEnt
RTP: 96%
Mystic Wolf
Demo
Mystic Wolf
by Rival Gaming
RTP: 94.6%
Scary Rich 3
Demo
Scary Rich 3
by Rival Gaming
RTP: 93.85%
Wild Water
Demo
Wild Water
by NetEnt
Zombiezee Money
Demo
Zombiezee Money
by Rival Gaming
RTP: 94.9%
Day of the Dead
Demo
Day of the Dead
by IGT
RTP: 93.71%
Diamond Queen
Demo
Diamond Queen
by IGT
RTP: 94.89%
Indian Dreaming
Demo
Indian Dreaming
Wicked Winnings
Demo
Wicked Winnings
Alien Autopsy
Demo
Alien Autopsy
by OpenBet
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What is RTP?

RTP, or Return to Player, is a percentage that shows how much a slot is expected to pay back to players over a long period. It’s calculated based on millions or even billions of spins, so the percent is accurate in the long run, not in a single session.


In casino games, the ‘house edge’ is the common term representing the platform’s built-in advantage. For example, it is about 0.5% in blackjack, meaning the casino holds 0.5% of all bets over time.
RTP is the key figure for slots, working opposite the house edge and showing the potential payoff to players.


Let’s consider the example: 
The Book of Dead has an RTP of 94.25%. It means that for every $100 bet, you can expect to receive $94.25 back in the long run. The remaining $5.75 is what the casino keeps.

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