EA announces that Command & Conquer 4: Tiberian Twilight is now available in stores and via digital distribution, culminating the Tiberium saga in the latest installment in this real-time strategy series. The game is available from the EA Store, Impulse, GamersGate, and Steam, among other places. A new Command & Conquer 4: Tiberian Twilight Fact Sheet celebrates the release, and this is accompanied by a batch of three new screenshots and a new launch trailer. On a related note, there's a Command & Conquer 4 Q&A on GameShark that fishes for some answers about the game from lead designer Sam Bass.