Online casino’s gambling entertainment is ruling the gambling industry since last decade or so, and the reason for its extensive success in just ten years is the innovational gaming style it deploys with its games here and there. Before online casinos were existed, gambling was only meant to be a wager and win kind of activity where players took back their winnings if they want to. Now, there is generally an optional post winning session, which is voluntary but offers another existing gambling virtue to each winner. Commonly, when a player wins a handsome amount playing slot, video poker, or similar casino games, he is instantly taken to a post winning guess a card round, which is discretionary though. However, if he chooses to play another round of betting, which offers almost 100% return, can prove to be another high point in player’s casino journey where he can instantly double his winnings by precisely guessing a card being displayed on the screen face down.