If you like punch fighting in your free IOGames, then you are going to love pung.io. In this game, you will be using your fists to fight.
After each fight, you can collect experience points and other in-game currencies in order to upgrade a variety of different stats.
these stats can be toggled ad customized by you to create a unique character that fits your personal playing style.
You can also collect new characters by purchasing them with Gold.
This allows you the player to build unique, custom characters, that have the ability to stand-out and dominate the competition.