This game, even after so much time, remains a great RTS game. It's unique and it has one of the best single player campaings I've ever seen in any RTS game. It has a good learning curve, with the first levels being extremely easy, and some of the later levels being excruciating at times. I'll not give 5 stars to the game because I ran into some mouse glitches many times during my gameplay. I had to restart some stages more than once, save them in the middle, because the glitches I found made the game unplayable. But with persistence, I could finish the single player campaign and have a good time.