The emomaker_xtreme_versionx.challenge.gbx file you have requested: Maps Levels Missions / Tracks / Complex / Xtreme - 16.12kb 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:
For more information on TrackMania Nations, visit Trackmania.filefront.com This map is the ultimate love child between sadism and pure evil. Its hard (extremely) and only people with true skill and patience will be able to finish this.