Finally completed
Unreal. I was convinced I had beat it back in the days, but I can't remember the Demon Lord, the Mother Ship, the Queen, or the ending at all. I think I started the game on Hard and then decided on the middle or last level of the ISV Kran (the wave of ten pairs of Skarj attacking) that the game was too hard, then restarted on Normal, but only got as far as the Nali Castle, which I remember.
Anyway my verdict:
The good:
The graphics. Absolutely gorgeous.
Enemy AI. They are smarter and more agile than is usual in shooters. The roles are kind of reversed compared to Doom, where you can run rings around enemies.
Level design. Very varied environs, varied sizes, and most levels are quite good. Bluff Eversmoking is outstanding, and the only level I disliked was Terraniux.
Controls. Very smooth (no motion sickness), and you can acually look straight up and down, giving you a full 360 degrees view and complete control (I actually quit Dark Forces due to no being able to look down and target some enemy that had no problems targeting me).
The so-so:
Sound. Sound is generally good, but some annoying effects (like the screams from prisoners and the Translator). Also some of the weapon sounds are rather weak. Overall weaker sound FX than for example Doom.
The weapons.The only weapon that feels powerful is the Flac Cannon. Most weapons have their uses, even the Bio Weapon which is kind of a joke. I used it once to kill a Titan while running around a column. The Pistol is as good as the machine gun (weapon 10) which felt wrong.
The Razor was fun to use tactically on occasions.
The bad:
Enemies are bullet sponges, even the little goblin dudes.
Even headshots with the rifle needs at least two shots.
(EDIT) Never more than three enemies at a time. Originally due to the holy Polygon Count, but it would have provided better variation with some more intense gun fights against larger numbers of enemies.