Tiberium Secrets Mod offers a partial/total conversion to the Command and Conquer 3 world, features including: Three new factions, different gameplay for each, sound, maps, and much more! Detail on the factions include:
ASA (All Seeing Army) contains a holographic AI named "ASIM" that was created after Cabal by a group of Black Hand scientist (The Illuminati) and are trying to take the world for themselves. Though the scientist still yet see what is to brew upon them.
The Colony is a monstrous creature army that knows nothing of technology and it's main goal is to breed and eat. The Scrin have feared these creatures for centuries and now the creatures have followed the Scrin to Earth.
Dream 51 is the remaining forces of the United States before all countries fell. Located at their main base "Area 51" is the darkest and most powerful secrets that we're never revealed to GDI or the world until now.
To find out more go to: http://www.moddb.com/mods/tiberium-secrets