Quarantine Check Border Patrol immerses players in a high-pressure scenario where they manage border security during a zombie outbreak. Inspecting documents and assessing threats, players must choose whether to provide refuge or quarantine incoming survivors amidst relentless zombie assaults. As they fortify defenses and manage scarce resources, they face ethical dilemmas impacting public perception and infection levels. The game features a constantly shifting day-night cycle that introduces new challenges, ensuring each playthrough remains engaging. Ultimately, players must navigate difficult decisions to determine the fate of humanity in this thrilling survival adventure.