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X-COM: Terror from the Deep is the follow-up to the resource management and tactical combat game X-COM: Enemy Unknown.

It has been 40 years since X-COM last defeated the aliens. Now, in the year of 2040, aliens begin to appear on the Earth again. This time the threat to humanity is coming from the depths of oceans.

The game is almost identical to the original X-COM game. The user interface, weapons, and aliens are all the same. The only difference is the adaptation of the aliens and weapons (e.g. new hand-to-hand weapons) to the ocean environment. The game features both undersea and on-land missions, and is significantly harder than its predecessor.


X-COM: Terror from the Deep Windows With Tentaculats prowling around, sticking in groups may be wiser
X-COM: Terror from the Deep PlayStation The options menu.
X-COM: Terror from the Deep Windows Alien autopsies will tell you about their physics and what drives them
X-COM: Terror from the Deep PlayStation Research menu. You need to research both human and alien technologies in order to survive the alien attacks.

Promo Images

X-COM: Terror from the Deep Screenshot
X-COM: Terror from the Deep Screenshot
X-COM: Terror from the Deep Magazine Advertisement
X-COM: Terror from the Deep Screenshot

Alternate Titles

  • "幽浮2:深海出擊" -- Traditional Chinese spelling
  • "X-COM 2" -- Informal name
  • "UFO 2" -- Informal name
  • "TFTD" -- Informal name

Part of the Following Groups

User Reviews

This is the best game I've ever played. DOS igor balotsky (5)
As good as prequel, but... different DOS The Doom (3)
Essentially X-Com: Harder, With Water DOS Rick Jones (111)
Good game, but bettered by its predecessor DOS Steve Hall (352)
Hey, I for one thought it was a good addition to the series! DOS Gene Davison (805)
Im sick and tired of people not liking this great game DOS Chad Henshaw (32)
Improves on X-Com : UFO Defense in every way. Except you can't beat it. DOS Longwalker (768)
My initial impression was borne out by later reviews... DOS Kasey Chang (4610)
Still X-COM: UFO (Unidentified Floating Objects) Defense DOS Narf! (138)
Worse than its prdecessor. DOS Tomer Gabel (4643)

Critic Reviews

HonestGamers (Staff reviews only) DOS Dec 04, 2005 10 out of 10 100
Coming Soon Magazine DOS Apr, 1995 95 out of 100 95
Secret Service / New S Service DOS Jun, 1995 370 out of 400 92
Score DOS Apr, 1995 91 out of 100 91
Just Games Retro DOS Jun 03, 2007 4.5 Stars4.5 Stars4.5 Stars4.5 Stars4.5 Stars 90
PC Gamer DOS Jul, 1995 82 out of 100 82
Computer Gaming World (CGW) DOS Jul, 1995 4 Stars4 Stars4 Stars4 Stars4 Stars 80
Power Unlimited DOS Jul, 1995 7 out of 10 70
PC Joker DOS Apr, 1995 70 out of 100 70
GameStar (Germany) DOS Sep, 1997 69 out of 100 69


Topic # Posts Last Post
Steam powered!? 6 xroox (3957)
Aug 17, 2007



The research tree in this game had a few bugs which prevent you from researching certain items, one of them can even stop you from successfully completing the game. Luckily there are guides that contain ways to avoid these bugs.


After completing UFO MicroProse wanted to do a quick follow up within six months. We said that this was not feasible, and if it were possible it would be little more than the same game with different graphics. Instead we started work on X-Com:Apocalypse, which was much more ambitious. Once UFO/X-Com was clearly known to be a success, MicroProse suggested that we license the code for them to develop their own sequel. The rest is history.

-- taken from the Mythos Games web site.


X-COM: Terror from the Deep is heavily based on the writings of Howard Phillips Lovecraft. Many names and creatures are taken straight from HPL. Also, T'leth is R'lyeh, and in the final mission, you can see the tomb and the portrait of the Great Cthulhu himself.


  • Power Play
    • Issue 02/1996 – Best Strategy Game in 1995
Information also contributed by Jaromir Krol and Spearhead51

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Contributed to by Trixter (9114), Xoleras (66486) and IJan (1990)