To put it simple, Trophy Hunter 2003 is an great hunting game.
If you like hunting games you should definately pick this one up. If your a mapper/editor, you can edit and create maps with the downloadable tool aswell. Be sure to search the web for custom made maps.
Because this game is getting a bit old, there does'nt seem to be many people on multiplayer but there are fansites with tournaments and stuff that you may want to check out ( be sure to have the patch for multiplayer server compatibility ).