When it comes to the best paying online casino games, players often gravitate towards slots, blackjack, and video poker. High RTP (Return to Player) slots, like "Mega Joker" and "Blood Suckers," can offer payouts exceeding 98%. Blackjack, with optimal strategy, boasts a house edge as low as 1%, making it a favorite for skilled players. Video poker variants, such as Jacks or Better, also provide favorable odds, often reaching 99% RTP. Ultimately, choosing games with high payout percentages can significantly enhance your online gaming experience and potential winnings.