The Ridgeline_Defences.zip file you have requested: Maps Levels Missions / Multiplayer / 4 Player / Q to R Titles / Ridgeline Defences v1.00 - 348.81kb is not available. Perhaps try browsing all files for the game C&C3: Tiberium Wars and upload any files you want to share or are missing. This is the only information we could locate:
A map for CnC3 by Dark117-Darktiberium117. It is intended for 2v2 or 1v1v1v1 map.