The TCT2_mega_map_pack.zip file you have requested: Maps Levels Missions / Map Packs / TCT2 Mega Map Pack - 34.41mb is not available. Perhaps try browsing all files for the game Team Fortress Classic and upload any files you want to share or are missing. This is the only information we could locate:
This zip contains the following maps
2bouncedd2fort3drylakes4Pyramids55avantibadlandsbathroombig_cityboot_campbouncecasbahcmhfconc_speed2concjumptfcconcmap_csiconcmap_existcrossfirecz2d A map pack containing 57 maps for Team Fortress Classic.