Ubisoft CEO Yves Guillemot in an interview with Games Industry BIZ revealed that the standalone expansion / total conversion Far Cry 3: Blood Dragon has sold 500K across three platforms - PC, Xbox Live Arcade, and PlayStation Network.
While Guillemot did not reveal how the sales were split across the three platforms, he did note that the expansion boosted sales of the PC version of Far Cry 3.
Strategy Informer awarded Far Cry 3: Blood Dragon an 8.0/10 score in its review.
