Download the game here; http://rapidshare.com/files/95077213/3D_Ultra_Minigolf.rar

Install it but don't run it. Download the crack here; http://rapidshare.com/files/95082299/3D-UM-Crack.rar

Copy all the files from the crack into the game folder overwriting the original files. This will remove the time limit from the game. Enjoy!