If you want the authentic Crossover experience—the one with the character selection screen and faithful recreations of the NES physics—you are looking for the HTML5 version.
. Since Adobe Flash was discontinued, finding a way to play it today requires a bit of retro-gaming know-how. Key Game Features Super Mario Bros Crossover Nes Rom Download - Google
When users search for there is often a fundamental misunderstanding of the game’s file structure. If you want the authentic Crossover experience—the one