Command & Conquer 4: Tiberian Twilight (Game)

Command & Conquer 4: Tiberian Twilight is a real-time tactics video game and the latest installment of the popular Command & Conquer franchise, released March 16, 2010. It constitutes the final chapter in the Kane saga. Command & Conquer 4 is the first game in the series to implement a form of DRM that requires constant Internet access; this type of restrictive DRM is fairly new and targets the used games market as well as ensuring that households must buy a copy per person. Command & Conquer 4 also utilizes EA's own servers for online play, rather than Gamespy Servers which EA has relied on for previous Command & Conquer games. A closed beta of the game was officially released by EA to contest winners on November 21, 2009.

text source: wikipedia.org