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.
User reviews: Very Positive (160 reviews)
Release Date: Apr 1, 1995

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Buy X-COM: Complete Pack

Includes 5 items: X-COM: Apocalypse, X-COM: Enforcer, X-COM: Interceptor, X-COM: Terror From the Deep, X-COM: UFO Defense

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Recommended By Curators

"The first game but even harder. Have fun."

About This Game

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.

In the dark depths of vast oceans, long sleeping forces are awakened by reanimation signals sent out across the galactic silence by their interstellar brothers and sisters. Slowly but surely, an army of hibernating alien sea creatures awakens. Your combat now extends to the strange new worlds of the deep where superior alien technologies threaten the very survival of this planet - your planet - Earth.

  • Sequel to the hugely successful X-COM: UFO Defense
  • Actual undersea geoscape mapping system with rich topographic detail
  • Full array of undersea military technology
  • Rich graphics feature water coloration and wrecks
  • Multilevel tactical maps featuring both underseascapes and buildings
  • Alien encyclopedia features mutation technology and new watery denizens

System Requirements

    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.

Helpful customer reviews
88 of 96 people (92%) found this review helpful
0.2 hrs on record
Posted: July 15
It's really hard for me to do an unbiased review of this game, so I would rather speak about my
personal experience.

When I was about 11 years old, I played the first X-COM: UFO Defense through and through.
As a kid I thought it was the most challenging, well-put togheter game I'd ever played.

Time passed by, and, one fateful day, I read the review of X-COM: Terror From the Deep in a french
magazine. There was only one thing left to do: BUY. IT. NOW.

And, thanks to my parents (and me being a good boy around xmas ;)) I got my hands on a copy of this
game. I still own the original box, floppy disc edition.

I played this game at least one week per month for about a year and a half.

It's now 2014, and I still haven't found a game so compelling since. Everything in this game pulled me
in, and would never let me go. The music. The atmosphere. This always present feeling of dread. The pressure put on your shoulders when trying to save as many civilians as possible during a Terror mission without sacrificing your favorite soldiers.
And, above all else, the incredible depth of the tactical options that were offered to you throughout the game. Both in combat situation and on the Geosphere's more laid-back, strategical planning.

This is the kind of game that involves you so much that you start to create your own stories about your pixelated soldiers. I knew their names.I knew what they were capable, or uncapable of doing while on a mission. I knew them, and losing any of them had some kind of impact on me. "They were my soldiers. my mates. They were good soldiers, and I'll never forget them."

To me, X-COM: Terror From the Deep defines the word "classic" when it comes to Strategic planning and Tactical
Combat.
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42 of 48 people (88%) found this review helpful
13.8 hrs on record
Posted: July 16
It's X-com with mermaids and amazing bubblegum color graphics, and I ain't being sarcastic either.

Everything about this game is amazing.
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18 of 19 people (95%) found this review helpful
51.7 hrs on record
Posted: September 14
A great game, but as a sequel it does the bare minimum.

The aliens have launched a Terror attack on a cargo vessel. My X-COM operatives have fought their way into the middle cabins on the deck of the tanker. Three units are grouped together, preparing to breach another room. Suddenly, one of the three is taken under molecular control but opts not to shoot the other two and instead runs into the unexplored room. Now I face a decision: do I enter the room knowing that I will likely be fired upon by my own unit or wait it out, leaving her inside with unknown terrors?

I decide to wait. As soon as my aquanaut comes to her senses she is blasted repeatedly by a Bio Drone until she drops unconscious. Now I face another problem as the room is quite small and there is nowhere I can safely fire upon the Bio Drone without getting caught in its death explosion. But I have a wounded soldier that needs help ASAP so I burst into action. One unit dashes into the room taking only time to grab the unconscious body of his comrade before rushing back out. While the door is still open the remaining aquanaut pulls a grenade off his belt, primes it and throws it right at the base of the Bio Drone before retreating a short ways. The blast from the grenade blows out the walls, yet still hovering in the smoke is the Bio Drone, now able to see my exposed grenadier. Fortunately his Ion Armor absorbs most of the shots that rain down on him leaving him a little shaken but with no fatal wounds. Suspecting that the alien can't take much more punishment he sets up and fires back. He connects and this time the floating death disc goes down in a fiery explosion even bigger than that of the grenade. My shooter is ok but a poor civilian gets caught in the edge of the blast and is killed.

The fighting is over in this sector but there is still drama left. My unconscious warrior is bleeding out but the nearest medic is several rooms away. The medic and the aquanaut hauling her limp form sprint toward each other. Will they make it in time to save her? Yes! He patches her up and pumps her with stimulants to get her back on her feet. Now weaponless, weak and in need of a few weeks off to recover, she is out of the fight; but she is alive.
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X-COM has the ability to create moments like these that are wholly your own. This episode felt like something out of an action film to me. It's complete with heroics, suspense, mad dashes, aliens, hard decisions, explosions and a nameless citizen as collateral damage. Combine the combat side with the also enjoyable base management and research side and Terror From the Deep is truly an excellent game.

However, taken in context of its predecessor, UFO Defense, it is a weak sequel. It is largely just a reskin with some tweaked stats for equipment and aliens. The biggest additions are new environments to fight in and a bit of alien lore. Ultimately it's more like a standalone expansion than a true sequel.

I would be remiss if I didn't mention a few gripes I had beyond the weak sequel issue. First, the game has a few pretty bad bugs, mostly within the research tree. Fortunately there is a small, free, fan made fix for these bugs called XcomUtil that is popular enough that you shouldn't have trouble finding it. And finally, the last place you invade at the end of the game, T'Leth, is just awful. The 2nd and 3rd portions of this mission are seemingly never ending slogs through linear winding corridors and rooms with relatively sparse alien resistance. My units were constantly out of energy from all the running. To top it off you cannot save your game during the final (3rd) portion which made for a marathon of several hours to finish both the 2nd and 3rd maps in one sitting. It left a definite bitter aftertaste lingering after completing this otherwise fantastic game.
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18 of 21 people (86%) found this review helpful
1.7 hrs on record
Posted: August 4
All my squad got killed by a camping aquatoid
This game literally cheats and slaughters your squad leaving no one alive and you'll be lucky if your troops get past recruit
and thats why its fun and so satisfying to win, to defeat the aliens and to save the human race
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15 of 16 people (94%) found this review helpful
0.6 hrs on record
Posted: August 3
I used to be a huge fan of Ufo: Enemy Unknown (The European version of the original XCOM: Ufo Defense) and I got this XCOM complete pack recently.

I remembered how these old games are incredibly hard, so I started on Easy mode to get used to the game.

On my very first mission I took my first step out of the submarine and was immediately shot by a rocket launcher which killed 7 of my 8 soldiers instantly. The 8th soldier panicked and killed himself.

Welcome to Easy Mode.
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11 of 12 people (92%) found this review helpful
38.7 hrs on record
Posted: September 30
I purchased a copy of this game in the late 90's for DOS. It was the first X-Com game I owned, but not the first turn based strategy. I still have not completed it, as I never played it on an easy difficulty. What is the fun in that? It remains one of the best games I have ever played. And I will tell you why:

- This game, unlike the original X-Com and the new X-Com offers nearly limitless tactical combat. Every part of the environments you fight in, except the base ground itself, can be utterly destroyed. My favorite tactic was to equip all my soldiers with high explosive weapons and literally blast the landscape apart. You cannot destroy certain parts until you unlock technologies later in the game, but eventually you can destroy pretty much everything. The best armor has a hover option like the others. You can use motion scanners to map out enemy movements and plan your strike room by room. You can use motion detecting mines to lock down/minimize enemy flanking movements. You can equip a stunning melee weapon and charge unprepared aliens. If you encounter an unwinnable situation you can recover as much gear as possible and evacuate your remaining troops. Even light plays a factor, you can use flares and phosporous weapons to reveal enemies at longer distances, night missions are horribly difficult.

- The AI is fantastically brilliant, for the most part. Sometimes Aliens will seem to wander randomly, however, once they "know" you are there, they are deviously adept at tearing apart your troops. It really takes a strong tactical strategy to take them down when on a ground mission. On the overworld, the UFO sightings are not random, they are actually building forces, completing objectives, and growing in power over time.

- The research projects are wonderful, they are complex enough to require a serious effort in maintaining a technological paralell with the enemy, while not so overburdened to make useless items.

It isn't a perfect game, there are some notable issues:

- There are bugs with the research tree that make the game unwinnable if not researched in the right order. There are in game fixes to this but they are near impossible to figure out without a guide. Research these before you seriously play the game, or get a community-made patch that fixes it.

- Sometimes you may click the wrong spot or accidentially click as you are examining the battlefield and your soldier performs the wrong action or leaves himself horribly exposed. This is an unfortunate side effect of the way the engine was made. Save often.

- This game has a hard hard learning curve. You will have to restart several times a-la Dark Souls to actually learn how to play the game.

You should play this game. Do it now. :)
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8 of 10 people (80%) found this review helpful
36.2 hrs on record
Posted: November 9
your squad is 2-8 times the size of the newer games. you can blindfire to destroy cover. H.P. Lovecraft. your base can be assaulted. you can hire scientists and engineeres. so much better than the new one i cant go back, play the new one first or you wont be able to later.
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9 of 14 people (64%) found this review helpful
13.5 hrs on record
Posted: October 8
Floating underwater brain aliens with tentacles that turn people into zombies. Awesome!
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4 of 5 people (80%) found this review helpful
0.5 hrs on record
Posted: December 11
I love TFTD and have very fond memories of it, including:

Downing a very large at night, investigating the crash site and getting slaughtered + mind controlled.

Using high explosives on the “tropical hotel” map to destroy the hotel, floor by floor – whilst laughing at the fact that the 1st and 2nd were floating without foundations.

Equipping the guided torpedoes and nuking the top level of the alien base levels. The combined scream of multiple aliens dying still rings through my ears now!

Good times indeed!
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2 of 2 people (100%) found this review helpful
1.3 hrs on record
Posted: November 6
Despite the implication that it's a sequel, TFTD is an expansion pack to UFO: Enemy Unknown - almost everything here is just taken from the original game, given a different name and graphics, and sold as new material. Not that that makes it a bad game, just be aware that there's really not much new to it...
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2 of 3 people (67%) found this review helpful
29.0 hrs on record
Posted: November 2
I had the dos-cd rom version and this works well...lol but man the sea trade route missions take forever...put 10-15 aliens on a titanic and then play hide and go seek...hours to find all of them!!!...same as the first x-com with a twist! 4/5 for me!
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1 of 2 people (50%) found this review helpful
1.0 hrs on record
Posted: July 16
FINALLY

Finally besides the PS1 version there is a Working WINDOWS compatible version of this game.
With Windows 7 i experienced no super-fast gameplay problems like other versions (so there's no need to underclock your processor to dangerously low levels), and all of the original videos and game ran fine without any crashes or freezes or superfast scroll speed problems like other versions.

The in-game timer ticks at ORIGINAL speeds and its finally...FINALLY working 99% like the original. (see below for the minor hiccup)

Either play it here on Steam, or on Ps1 these are the two, best versions.

The only one hickup i found on this version, is that it changes the Mouse Speed on your system to default setting, when i normally run mine 3-4 notches faster, so be sure to correct your mouse speed after playing this.
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1 of 2 people (50%) found this review helpful
85.7 hrs on record
Posted: September 27
Pretty awesome, there's lots to do, enemy ships and bases require strategy to take them down, great research, but be aware there are some bugs that can screw it up for you. Basically the research needs to be done in specific order, otherwise you'll miss important things and possibly won;t be able to finish it.

The research bugs aside, the game has great everything, music, acceptable graphics even so many years after being made, The aliens can attack your base so don't forget base defence.

The only thing I can as against the game is that once you start it and get into it, it's very difficult to stop ...
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1 of 2 people (50%) found this review helpful
10.8 hrs on record
Posted: November 18
I was a big xcom ufo defence fan because i liked the challenge and the freedom of doing what you want. It is cool that there is an underwater version now as well. I recomend you play this game only if you like losing a lot or your a really good streategist.
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96 of 114 people (84%) found this review helpful
13.1 hrs on record
Posted: December 4, 2013
are you a bad enough dude to play terror from the deep and beat it?

no, you're not
nobody is
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46 of 48 people (96%) found this review helpful
513.0 hrs on record
Posted: February 12
X-COM Terror from the Deep is a huge strategy game based mainly on the players descision on many things at once. The plot is that Earth is being invaded by aliens from the sea who aren't hesitant to kill anyone preventing them from their main goal: Taking over the entire planet. The player's job is to be the Lead Commander of the whole X-COM facilities. The player is given a simple job: Stop the aliens from destroying the world. Now, when I saw "Lead Commander", I mean exactly that. The player controls everything that is given to it, such as sending out patrols, whether to attc\ack aliens or not, buying/selling materials, hireing people to work for you, and a whole lot more.

This game is, like I said, a big strategy game. It involves lots of numbers, and money is extremely important. If you don't have enough money till the end of the month, the world governers shut down X-COM and the aliens win. The player has to make the right choices on what to manufacture, patrol, construct, attack, and most importantly, research. I have to say, researching is the key factor of getting the most out of this game. Without research, the player will have to stick to harpoon guns which don't do that much damage at first. But with research, the player can have better weapons that deal more damage, and I mean a LOT of damage.

This game is pixelated, so it's graphics are kinda poor. But the strategy, thinking, and the numbers all come together in this, so the player needs to really take everything into account when it invovles money. Battling is pretty intense too. The battle system is based around the player having it's turn to get it's men together and plan an attack. Most of the battles are under water, so it's pretty dark at first. But when the player starts moving it's men around, the environment starts to pan out and you have a good look on the battleground. Once the player has done it's turn, it's time for the aliens turn. The aliens basically do whatever the player can do: move, attack, or run away and group up. It's all based on strategy and knowing what aleins have what, cause it's not just one kind of alien attacking Earth. There are many species of aliens and all have different capabilities than other aliens.

I fully recommend this game for the strategic and brain power one has to use, and is my dad's favorite game, so after watching him play a lot, and after me playing a while myself, I've come to fully enjoy this game. I hope you will too.
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25 of 25 people (100%) found this review helpful
77.3 hrs on record
Posted: November 27, 2013
Personally, I liked this better than the original.
Both this and the original X-Com: UFO Defense are amazing turn based strategy games. I highly recommend to anyone with time to go through this game. Works very well through Steam.
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21 of 22 people (95%) found this review helpful
3.4 hrs on record
Posted: December 12, 2013
The classic, the old school, the brain destroyer. TFTD is all these things and more. Fell in love with it when I was a teen and still love it to this day. Harder than Enemy Unknown? You better believe it! But that's what makes this such a legend of a game. You really have to fight tooth and nail to get anywhere. And even then, you might just get stiffed by a few Lobster Men.
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15 of 15 people (100%) found this review helpful
13.2 hrs on record
Posted: February 19
I couldn't get into this game as much as the original. I'm still giving this a positive review however because there are people who swear by this game and prefer it over the original. It plays fairly similar to the previous game in the series except it's all underwater now, which adds a few unique mechanics, such as a few guns which can only be fired underwater. This game is also exceptionally more difficult. The enemies at first don't seem all that much different but soon into the game you'll start to encounter really tough enemies. Also instead of hunting down alien bases and eliminating them, there's some story behind what you're doing. There's also A LOT more two stage missions than the first game. I recommend this game for people who that the original X-com was too easy, and for those others who just want a challenge.
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15 of 19 people (79%) found this review helpful
Posted: October 29, 2013
Get your Gauss Pistols ready! Tactical Fights, Base Development and Science - what else could a gamers heart ask for?
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