It is a bingo game regarding the various apocalyptic events that have been happening in 2020. If you complete a row of Apocalypse Bingo™ and yell "Bingo!" you earn absolutely nothing except the realization that we are utterly fucked.
"Hey, did you hear about the massive oil spill in Russia and the murder hornets that arrived at the U.S?"
"Come again?"
"Umm, there's a giant oil spill and murder hornets?"
"Oh, another one for Apocalypse Bingo"