Not currently charting in Zing's Steam Top 100 — showing what Zing's own catalogue holds (refreshed 12 Nov 2026).
X-COM: Terror From the Deep
$4.99
Very Positive
(771 reviews)
Estimated owners (SteamSpy): 500000 - 1000000
The war continues... X-COM: UFO Defense brought you to a galactic battlefield. X-COM: Terror from the Deep brings the alien terror into a totally new dimension.Seeking to take advantage of a weakened Earth, X-COM's deep space foes unexpectedly change strategy and launch a powerful second front against planet Earth.
