This is the more common—and dangerous—interpretation. Many "13 links" floating around social media are actually invites to private Discord servers. These servers often claim to host: Tools to cheat in the game.
Scraping together components or cash can attract hostiles at any second. Heavy firearm acquisition. Higher level tiers unlock assault rifles and body armor. Atmosphere & Danger Punishing melee and gunplay. criminality 13 link
Loss of gear upon death encourages careful, tactical group movement. This is the more common—and dangerous—interpretation
It added the experimental random avatar system and "Antidote" items. criminality 13 link