Selecting games with higher RTPs raises the possibility of positive results over the long term because RTP shows the average amount a player can expect to win back over time. Selecting the Proper Game and Betting all rummy gamesMethod. To help players make educated decisions, a lot of online casinos include information regarding the RTP percentage of each game in their paytables or descriptions. Also, one important factor in optimizing profits is the application of betting strategies. For example, some players like to use a strategy called the "Martingale" in which they gradually raise their bets following wins and decrease them following losses.