The Bloodgulch_1189557849.map file you have requested: Modifications / Halo Trial Mods / Rocket Warz / Halo Trial Rocket_Warz - 13.79mb is not available. Perhaps try browsing all files for the game Halo: Combat Evolved and upload any files you want to share or are missing. This is the only information we could locate:
To put into the game push save then rename the file to bloodgulch then go to computer then to :C drive then to program files then to microsoft games then tohalo trial then to maps and replace the original with this one. You have rockets that shoot 10 at 1 time and rapid shoot. You may want to backup your original bloodgulch before you replace it.