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X-COM: Terror From the Deep
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 again
What players say
Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.
“You will spend your first mission realizing that your entire starting armory is essentially store credit 90% of it is trash and pretty much useless in a few days just sell it and Arm 60% of your squad with Gas Cannons (HE).Arm 40% with Jet Harpoons (only as a backup or for…”
— a player, Steam review · 10 hrs played“I have HOURS in this game in the long long ago and yes it is more complex, larger maps, and can be very hard at times but it is still a GREAT game. I love this almost as much as I love the original X-Com”
— a player, Steam review · 1 hrs played“[b]The Peak of Tactical Horror – Unapologetic, Brutal, and Masterful[/b] If you think modern strategy games are 'challenging', Terror from the Deep will slap you across the face. This is the dark, unforgiving masterpiece of the 90s tactical era—a game that doesn't care about…”
— a player, Steam review · 70 hrs playedPlayer activity
Monthly average concurrent players. Live count fetched 2026-07-23 23:34 UTC · history via SteamCharts.
Price tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-25. Steam prices vary by region — always confirm your local price on Steam.
Regional prices at last sample, in local currency — Steam sets each region's price independently.
Cheapest → most expensive, converted to USD at ECB reference rates (2026-07-24). Relative comparison only.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
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Games like X-COM: Terror From the Deep
From our knowledge graph — ranked by shared traits, not a black box. Each card says why it's here.
X-COM: UFO Defense
95.7% · 2,940 reviews
shares Classic, Aliens, Turn Based, Isometric
X-COM: Apocalypse
89.3% · 666 reviews
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Xenonauts
86.3% · 3,645 reviews
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Gorky 17
79.5% · 753 reviews
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XCOM: Enemy Unknown
93.0% · 35,366 reviews
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ZEPHON
84.6% · 1,119 reviews
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Fallout Tactics: Brotherhood of Steel
78.9% · 1,846 reviews
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Fallout: A Post Nuclear Role Playing Game
94.2% · 15,943 reviews
shares Classic, Turn Based, Isometric, 1990s
Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-20.
| Genres | Strategy |
| Player tags | Strategy · Turn-Based · Turn-Based Strategy · Sci-fi · Classic · Tactical · Aliens · Underwater · Turn-Based Tactics · Difficult · Lovecraftian · Isometric (SteamSpy community voting) |
| Features | Single-player · Family Sharing |
| Languages | English, French, German, Spanish - Spain |
| Estimated owners | 500,000 – 1,000,000 (SteamSpy) |
Minimum system requirements (PC)
Minimum: Windows XP*, 33MHz 386, 4MB RAM, 520KB Free Disk Space, DirectX 6.1 or later. You must have a mouse attached to the computer. (We mean the input device; please do not glue or staple helpless little animals to the keyboard.) The mouse driver must be Microsoft mouse version 8.01 or higher or something fully compatible with this.