Top 10 Online Slots with the Highest RTP


Online slots have impressive RTPs, that is, the mathematically averaged amount awarded to a gambler in form of winnings based on the wagered amount. However, the Return To Player (RTP) percentage may vary from one slot game to the other. Serious gamblers know that irish slots with the highest RTPs provide value for money and feature the best probability for winnings. If you are looking for casino games with the highest RTPs, the best payout online casino sites, you are definitely at the right place. Check out our top online casino’s list with 10 slots with the highest RTP.

Book of 99 Online Slot

This epic slot rests on Greek Mythology, where clashes among the gods, brave heroic actions, and wicked creatures intertwine to create a visual picture of mythical Greece. The online casino game provided by Relax Gaming has an RTP rate of 99%, arguably the best, among many other slot games.

Mega Joker

Mega Joker is an entertaining one popular for fruity themes and graphics. Besides its amazing features, the game is among the best well-paying online slots. With a 95.05% RTP, the slot proves highly lucrative. Mega Joker has an impressive winning rate and a gamble feature that ensures players win every day. 

Marching Legions 

With an attractive 98.12% RTP rate, Marching Legions is among the best online casino games, in terms of player winnings. The exciting online slot with 243 paylines features animated graphics and lets players get the thrill of experiencing epic Roman drama.


Created by Yggdrasil Gaming Jokerizer is a fantastic 5 reeled online slot with 10 paylines. Besides featuring tons of bonuses and mystery wins that come when players get jokers on the reels, this 3D online slot has a superior RTP rate of 98%, a fact that explains why it is adored by gamblers worldwide.

Real Gems 

Since it was introduced way back in 2010 by Microgaming, Real Gems has continued to stand out as the only online slot with constant winnings. With 5 reels and 243 ways to win, this slot with attractive visuals is arguably well-paying. The online slot has an outstanding RTP rate of 97.49%, presumably one of the best rates among online slots.