After far more time spent figuring it out than I care to admit, I came up with a script to fetch the most active posts. ie.. posts with the most comments.
Boeing 757 Testing Shows Airplanes Vulnerable to Hacking, DHS Says
https://phuks.co/s/Technology/18711
North Korean soldier shot as he tries to escape over the DMZ and defect to South
https://phuks.co/s/News/18705
Why We Hate Video Games -Sgt Ducky
https://phuks.co/s/gaming/18717
SendBobs - YouTube
https://phuks.co/s/Music/18715
Why does editing my user info require a captcha but spamming /s/whatever with shitposts does not?
https://phuks.co/s/Whatever/18713
Caitlyn Jenner and Dwanye Johnson fighting after an argument
https://phuks.co/s/soapdoxbanhammer/18684
When no one appreciates good humor
https://phuks.co/s/Whatever/18683
Billy Cobham & George Duke Band - Live At Montreux Jazz Festival (1976)
https://phuks.co/s/Jazz/18682
That one time you tried to play Baseball
https://phuks.co/s/Sports/18681
Phobos orbiting Mars
https://phuks.co/s/Space/18692
This was supposed to be a post sort from day 1, but we procrastinated a lot