The made_for_crazy.challenge.gbx file you have requested: Maps Levels Missions / Tracks / Miscellaneous / M to N Titles / Made For Crazy - 18.44kb 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 Made For Crazy is track the author made for the Crazy Clan! There is not much speed, but still it is still quite a funny map.