Epic Games, the company that created Gears of War, Infinity Blade, and the popular Unreal Engine for developing game titles, has been rather quiet as of late. The firms most prominent recent announcements have been around selling off that Gears of War franchise to Microsoft, and delivering a fancy new tech demo which hasnt helped the new Unreal Engine 4 achieve the wide adoption of UE3. Today, however, founder Tim Sweeney is announcing a new business model: Epic will charge just $19 a month, and 5 percent of a game developers gross revenue, for access to the complete Unreal Engine set of tools and even its source code. Thats a drastic reduction in price, for sure: while a subscription might wind up costing more than the previous $99 license, Epic used to ask game developers for a whopping 25 percent of the money their game made after the first $50,000. Epic founder Tim Sweeney says its a reaction to changes in the game industry, like the rise of indie game development.