MostFun Mahjongg Investigations - Unlim - Version 1 MostFun.com is proud to bring you an unlimited-play version of this game as part of its collection of popular games! Ascend to Mahjongg mastery as you attempt to tackle the seemingly insurmountable monster that is organized crime. Match similar tiles until there are no tiles remaining on the board... and watch out for those crafty criminals as you go!