Runs and guns with a variety of high-powered weapons.

Select the game and click "Play" to download the assets and launch it locally.

, it initially gained massive popularity as a Flash-based browser game on Newgrounds Core Gameplay & Features

Developed by Exploding Rabbit and released in 2010, Super Mario Bros. Crossover is a lauded Flash-based fan game that lets players control iconic characters from NES hits within the original Mario level design. While the original browser version is no longer playable due to Flash discontinuation, the game remains accessible through standalone downloads and fan archives. To explore the wiki and find archival links, visit Super Mario Bros. Crossover Wiki . Super Mario Bros Crossover (Fan Game)