Blood and Tiberium is a 4v4 map (though works well as a 2v2 or 3v3) based on the C&C 4 map (Blood and Sand), modified to work with C&C 3 gameplay. Under 4v4, tiberium is scarce and early expansion to the green and blue tib fields is a must.
Credits: Creator - Noodlesocks
EA - Creator of the original Blood and Sand