PlayCanvas is an open source 3D game engine / interactive 3D application engine alongside a proprietary cloud-hosted creation platform that allows for simultaneous editing of multiple computers via a browser-based interface. It runs in modern browsers that support WebGL, including Mozilla Firefox and Google Chrome. The engine is capable of rigid-body physics simulation, handling three-dimensional audio and 3D animations. PlayCanvas has gained the support of ARM, Activision and Mozilla. The PlayCanvas engine was open-sourced on June 4, 2014.