A casino lobby may look like one screen, but it connects separate systems....

https://post-wiki.win/index.php/Why_Does_My_Casino_Game_Open_in_the_Same_Browser_Tab_but_Feel_Separate%3F

A casino lobby may look like one screen, but it connects separate systems. Provider integrations load games, while balance records track wagers and wins. Clear payment statuses help users understand where a deposit or withdrawal stands.