In the landscape of Command & Conquer: Generals Zero Hour modding, few projects have aimed as high or departed as drastically from the source material as the Symbioz Mod . While popular mods like Rise of the Reds or Shockwave focus on expanding the existing lore and balance, Symbioz is a total conversion that sought to modernize the game engine, overhaul the visuals, and introduce a completely new faction dynamic that changes the fundamental way the game is played.