Important: Chrome will be removing support for Chrome Apps on all platforms. Chrome browser and the Chrome Web Store will continue to support extensions. Read the announcement and learn more about migrating your app.
Several graphically intense interactive application frameworks / game engines exist that target web technologies. The following are some we recommend with instructions for producing a Chrome App.
PlayCanvas demo on Chrome Web Store: Swooop
PlayCanvas is a free and open source WebGL Game Engine targeting mobile and desktop. Its browser based development tools support real-time collaboration.