Two maps ported to HIVE mode by me: HM_River and HM_Ruinas
I dug up some old ports to HIVE mode I might have forgotten to upload. Ports made by me, maps made by footslep, HIVE made by bmbr1990.
First download and install the following:
Then extract the HM_River and HM_Ruinas files to Documents\Gears of War for Windows\WarGame\Published\CookedPC\Maps\CustomMaps\HiveMaps