Super Mario Flash is a fan-made version of the classic Super Mario Bros. game. It was developed by Pouetpu and is available to play online for free.
The game is a 2D platformer, where players control Mario as he jumps, runs, and collects coins and power-ups in order to reach the end of each level. The game features classic elements from the original Super Mario Bros. game, such as Goombas, Koopa Troopas, and Mushrooms, as well as some new elements and power-ups.
Super Mario Flash is a faithful recreation of the original Super Mario Bros. game and is a great way for fans to revisit the classic game. The game has been praised for its accurate physics, challenging levels, and fun gameplay, making it one of the most popular fan-made Mario games available.