Paper. Io is one of the io Games that you can play on UGameZone.com for free. If you enjoy the competitive atmosphere of the .io arena, then you’ll love the latest game in our collection: Paper.io! Travel to the 2D world of this browser game and take control of a colorful cube. Start competing against other players by grabbing more territory. Can you manage to protect your zone against other ambitious players you’ll encounter in this chomp game?