Play CatMouse.io game for free at frivtest.com. We offer the best way to enjoy playing for free. CatMouse.io is one of our very best Friv games. CatMouse.io is a game that you can enjoy playing at frivtest.com. Here you can discover & enjoy CatMouse.io game and many other Friv games online at no cost.

Use Move Mouse button to Move, Use Left Mouse button to Attack, Use Right Mouse button to Speed Up, Use Enter button to Chat,

io..