The Generals_Challenge_maps.zip file you have requested: Maps Levels Missions / Map Packs / General's Challenge Map Pack - 2.22mb is not available. Perhaps try browsing all files for the game C&C: Generals Zero Hour and upload any files you want to share or are missing. This is the only information we could locate:
These are the official Generals Challenge maps which I have modified so you can play them on skirmish against a computer player or online. On some of the maps I made a few small changes. The AI works on all maps.Snowy 007 A Command and Conquer Generals Zero Hour map pack that consists of the official generals challenge maps converted to skirmish use.