I've always thought the sci-fi universe seen in Quake 2 and 4 would make a strong basis for an RTS. Whereas the original game's setting is a hazy mix of fantasy and futurism that emerged from its troubled development, the sequel had a much more coherent identity. Its interstellar war between human soldiers and Strogg cyborgs felt incredibly fleshed out for a shooter at the time, and while it may seem staid after years of shooters about space marines, I've always had a soft spot for it... Read more.