X-COM: Terror From the Deep
Turn-based squad tactics against aliens beneath Earth's oceans
MicroProse Software, Inc · Published by 2K · Released May 4, 2007
- Reviews
- Very Positive
- 91% of 803
- Recent reviews
- Not enough recent
- Players
- 12
- daily peak, Nov 7, 2026
- Steam Deck
- Unsupported
- Last update on Steam
- Unknown
- no patch notes on Steam
- Minimum PC
- –
- not published
What is X-COM: Terror From the Deep?
An isometric, turn-based strategy game set beneath Earth's oceans, where dormant alien sea creatures awaken to attack. You command a squad in battles across multilevel maps of underwater terrain and buildings, using undersea weapons against the aliens.
For you if...
- +you enjoy methodical, difficult turn-based squad battles
- +you like dark underwater settings and alien threats
Not for you if...
- −you prefer quick missions over sprawling tactical maps
- −you want a gentle introduction to strategy games
What players say
91% of 803 reviews are positive
Players praise the underwater atmosphere, soundtrack, and tactical challenge. Some find the steep difficulty and large maps tedious. Others warn of progress-blocking bugs and recommend community fixes.
Screenshots and trailer
X-COM: Terror From the Deep system requirements
As published by the developer.
Can my PC run X-COM: Terror From the Deep?
The published requirements do not name a graphics card we can compare.
Set up my 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.
Does X-COM: Terror From the Deep have co-op or multiplayer?
No: single-player only, no multiplayer modes declared.
Does X-COM: Terror From the Deep run on Steam Deck?
Unsupported No: Valve rates it Unsupported on Steam Deck.
- Not supported on SteamOS
PC version details
- DRM
- None declared on Steam
- Controller
- Keyboard and mouse
- Platforms
- Windows
- Steam features
- Family Sharing
- Languages
- Text only: English, French, German, Spanish - Spain.
Does X-COM: Terror From the Deep use AI-generated content?
No AI-generated content is disclosed on the game's Steam page.
Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 25, 2026. How to filter AI games on Steam
