Could this possibly mean that an Xbox LIVE Arcade version is coming to us at some point?
[quote]Launching alongside the update for Xbox 360 controllers is the Operation Hydra expansion, available from tomorrow (August 29th), adding five new missions and new achievements. Operation Hydra sees you rejoining Sarah Palmer as you intercept an alien signal on the moon of the destroyed planet Draetheus V.
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It'd be stupid for them not to make it an XBLA game.