Web is continuing to evolve as a powerful platform for gaming. This video provides a sneak peek of Epic's Unreal Engine 4 running in Firefox without plugins.
Exactly a year ago, Mozilla and Epic Games have showed the power of the Web as a platform for gaming by porting Unreal Engine 3 to the Web and showcasing Epic Citadel, using asm.js, a supercharged subset of JavaScript pioneered by Mozilla.
Source: Mozilla