Impact: In our new report, The Market for English-language Client-Based PC F2P Games, DFC looks at the issue of established MMOGs going to a free-to-play model. This first occurred in September 2009 with Turbine’s Dungeon and Dragons Online (DDO). After being acquired by Warner Bros, Turbine decided to do this for its flagship Lord of the Rings title. Of course when you make something free usage should soar. However, the most important point is the issue of increasing revenue. With DDO, Turbine made the subscription optional and they claim subsc.