Keep reading this guide to the highest RTP slots and discover the best payout for online slots available, or read our online slots guide for more advice on playing and winning.High RTP slot machines can be found at land-based casinos and the best online slot sites, although the average payout percentage differs.This only means you have a higher chance of winning back your money over time. High RTP slot machines do not guarantee you will win each time you play.The best online slots have a payout percentage of 96%. If an online slot has a payout percentage of 95%, you can expect to win back $95 out of every $100 wagered, while the remaining $5 goes towards the house edge.High RTP (return to player) slot machines are games that give you the best chance of winning your money back in the long term.Ignition Casino Review Key Things You Need to Know