It is very difficult to tell. However I have preferred High Quality/innovative Westwood Studios Game (Now EA Pacific)
Command and Conquer,
Command and Conquer Red Alert 2,
Dune 2000,
Blade Runner,
Command and Conquer Tiberian Sun,
Emperor: The Battle for Dune,
Command and Conquer Generals/Zhero Hour
Battlefield 1942 Desert Combat
Command and Conquer Renegade Alert Mod/Reborn Mod
I have discarded Command and Conquer Red Alert 2 because the game have crossed the line into becoming a mockery.