Sorry - I mean Hotpot is not a plugin on MoodleCloud free or for School - but you can save Hotpotatoes as SCORM packages and upload them to Moodle. Or if you have a site of your own you can install it as a plugin.
MoodleCloud
Crossword puzzle in Moodlecloud
གྲོས་བསྟུན་འདི་བསྡམས་ཡོདཔ་ལས་ ལན་གསལ་བརྐྱབ་མི་ཚུགས་