Play Sonic Mario 2 Online – Nintendo (NES) Game

Game Overview

"Sonic Mario 2" is a wild, unofficial mashup that throws two gaming icons into one retro adventure—and honestly, it’s as chaotic and fun as it sounds! Imagine Sonic’s speed meets Mario’s platforming charm in a pixel-packed NES-style romp. You’ll dash through loop-de-loops, stomp Goombas, and grab rings (or coins—why not both?) in levels that feel like a fever dream from the golden age of gaming.

While it’s not an official release, this fan-made gem oozes nostalgia, blending the best of both worlds with a healthy dose of janky, old-school flair. If you’ve ever wondered what would happen if Sonic hopped into the Mushroom Kingdom (or Mario tried to outrun his own shadow), this quirky little title is your answer. Just don’t expect polish—this is pure, unfiltered 8-bit crossover chaos!