The Alien units from TFTD.
Sectoids by the way were the original 'greys' in X-Com 1. Anyway these guys are your bog standard scientist/engineer/sniper units, who are responsible for making the various creatures of the deep, but they do make nice screams when they die. Very powerful Sonic Blasta Rifle with better range to pretty much snipe any troops early on. X-Com has to rely on tactics and numbers here. Powerful Molecular abilities in Commanders and Leaders (sort of like Psychic abilities from the last war).
Gill Men are your bog standard grunt soldiers. Better than normal X-Com ones anyway, until Gauss weapons come in, in which they are just a match for each other. Eventually Sonic weapons will trump them.
My favourite unit. This guy is a super soldier, who can shrug off everything. He isn't fond of Vibro Blades, although he does excel in close combat, usually going up to soldiers, and crushing them/strangling them with his huge claws, as well as using the two bottom ones to fire Sonic weapons, Disruptor Pulse Launchers or Shok Stun Bomb Launchers. Possibility to be molecularly controlled though.
Roughly standard soldier after Gill Man, these are very strong indeed. Like their namesake, cloned in vats and released to do havoc. Their skin alone can stop a Sonic Cannon shot and they are armed with Sonic weapons themselves. What they make up for so that they aren't 'just a soldier' though, is their powerful Molecular abilities as seen in the leaders of this species. They can control the resisting with impunity.
One of my other favourites. This dude is the Calcinite (those who have seen Robo-man will laugh) but this guy is a force to actually be reckoned with. He may be inside a diving suit, but this is enough to be intimidating AND to creep you out as he comes out, punches you with enough force to rip your stomach open or slash you to death with his harder-than titanium claws, then run away. He can also take several, yes several, Sonic Cannon shots. His death scream is even scary. Likes to hangout with the Aquatoids on terror missions.
Half-Human/Alien hybrid, which uses a Sonic.. breath thingy wired into that cannon? Anyway it turns your men into mush if he gets within close range. So don't get close!
Hangs out with Gill Men on terror missions.
Floating brains bent to the aliens in a Heavy Weapons Platform like the namesake, these guys use built in Sonic beams which are very deadly. It can fly and hover, and kills your troops with frightning accuracy. When shot down however, it self destructs, making these even more deadly. Hangs out with Tasoths.
I love these dudes. I love them so much. Why? Because they are like Chrysillids in X-Com 1 buffed up on steroids and can fly. That's why. If you didn't understand that let me tell you.
This guy will fly, squeltch to your troopers (sucking Sonic shots as it goes along, practically invulnerable to normal weapons mind you). And when it gets close, it's tentacles will transmute the person next to it into a mindless drone zombie, who will be under your command. But that's not all. If the Zombie is killed, from inside grows another Tentaculat who is free to do havoc and make more. You will have fun with these.
For those who chant 'Dinosaur!' 'Dinosaur!' 'Dinosaur!! we'll kill Elerium and DonutArnold if he doesn't give us a Dinosaur!!!!!' here it is from the original game. His normal attack is two high powered Sonic cannons attached to the side of him, which can melt a lot of things, and a lot of tanks. His second attack is to get close and use his harder-than-titanium metal teeth to kill your men, if he gets close. Hangs out with Lobstermen.
The Xarquid. A nautillus of the ocean who hides a particle cannon (so the name says, it just seems like another Sonic to me) in it's shell. But it is creepy, and it is funky, despite being deadly. It should also use its ink spray, but I've never seen this in the original game. Xarquids also were rare however, but they do hang around with the Gill Men.
This used to scare me as a kid, and still does some now, but really, it just is useless late game in X-Com, so we'll bring it to the early game. It comes up to you as a giant jellyfish and then kills you using the icy strike (somehow this is more prefferred, although we may implement the freezing blast to give it more 'up') It also flies.
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