Step into the ring and use your devastating punches to knock out every champion for a true boxing experience in the world of the IO game! CHALLENGER BOXERS, JOIN NOW! To eliminate opponents, attack with powerful face punches and combos. Are you capable of winning the Boxing IO Game Championship? AFFORDABLE IO GAME CONTROLS! In the world of combat, smash everyone with your blows and create combos to knock them out with just one button! THE BEST FIGHTER SKILLS! Each hero has a unique special move that they can employ during epic combat to knock out opposing boxers.