Free Mario vs. Sonic Browser Game - Race, Jump & Collect

Team up as gaming’s greatest icons in this thrilling fan-made adventure! Super Mario and Sonic delivers fast-paced browser platforming: sprint through vibrant worlds as Sonic, leap over pits as Mario, and switch heroes to solve puzzles. Collect coins & rings, stomp on Goombas, outrun Dr. Eggman’s traps, and race against time in classic-inspired levels. Perfect for retro gamers and crossover fans, this free browser game requires no downloads—play instantly! Battle bosses, unlock secret zones, and relive 16-bit rivalry in one explosive package. Team up or compete solo… Who will you play first?**