Get exclusive slots & gambling bonuses up to €£$ FREE! Online casinos feature a wide variety of payment methods that range from credit cards to. Play the Five Times Pay slot machine by IGT for free with no downloads or read our review to learn which online casinos you can play at for real money. The RTP is the term that online casinos use to describe the percentage of all the wagered money a slot machine will pay back to the player over time. In other.