GamesHorrorThe mega viral co-op horror hit that was free for its first 24 hours was mostly developed in a single monthWhen you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. GamesHorrorThe mega viral co-op horror hit that was free for its first 24 hours was mostly developed in a single monthWhen you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. When you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. (Image credit: Landfall Publishing) Content Warning, the co-op horror hit thatlaunched into virality thanks to a 24-hour free introductory period, was mostly developed in a single month. I first caught wind of Content Warning on April Fool’s Day, mostly because it’s precisely my jam but also because I thought the concept of a game that’s only free for its first 24 hours was intriguing. Apparently, other people thought the same because …