Today we bring you a new adventure in the world of Mario Bros but something has changed. You will find the old enemies as koopas, moles, etc. You must collect coins and improvements like mushrooms that make you grow or flower that will help you breathe fire. The only thing that has changed is the protagonist since there will be Mario who carry out this adventure but another great video game character Sonic. We do not know how but Sonic has finished in the world of Mario and will be in charge of fighting the enemy. We know that the plumber can beat these evil but would be able Sonic? Sure with your help our blue friend will get the victory as if it were one's own Mario Bros. Enjoy the game Sonic in Mario World 2, it's free, it's one of our Mario bros games we've selected.