The Nations_Map_pack.zip file you have requested: Maps Levels Missions / Nations Map Pack - 569.92kb is not available. Perhaps try browsing all files for the game TrackMania Nations Forever and upload any files you want to share or are missing. This is the only information we could locate:
Tracks vary quite a bit from easy to very difficult, some are very tricky, frustrating, and upsetting. All though are for the game Trackmania Nations. Trackmania map pack about 75 tracks.