This is an awesome unblocked game that you can play directly in your browser. MooMoo.io Sandbox has been played by 1345 people and has received a rating of 80 out of 100 by 24 votes. This addicting game is built with HTML5 to run fast in all modern browsers. One of the many advantages about playing MooMoo.io Sandbox on Avio Games is that it is available in full-screen mode to get the full experience. If you liked it, also play our other .io games or SideArms.io and Battlegrounds 2D (.io).