This is the best RTS of all time. I'll throw hands with anyone who disagrees. Nothing tops it. Some may come close, but they aint Kane's Wrath.

Simple and atmospheric RTS.
All included: the balance, 3 factions with 3 subspecies with their own characteristics.
Undemanding to the resources of the video card, while it is quite finely detailed.
Super graphics, no plushness and cartoonishness (unlike Red Alert 3), everything looks serious.

Once you figure out how to get around the directX 9 error message, it's the decent game you probably remember :)