The freespace06_v21.zip file you have requested: Garry's Mod / Maps / Half-Life 2: Garry's Mod Freespace '06 Map - 8.88mb is not available. Perhaps try browsing all files for the game Half-Life 2 and upload any files you want to share or are missing. This is the only information we could locate:
This is a great map by helio-G. It is designed for building, racing, fort wars and a load of other things. The map is well made and well textured it has loads of space for your contraptions or npc wars. This map is really worth a download! Good work.