Quarantine Zone: The Last Check is a simulation game set in a post-apocalyptic world where players scan survivors for signs of a zombie virus and decide whether to grant them passage or eliminate them. The game has over a million wishlists on Steam and a publishing deal with Devolver Digital, marking a significant achievement for a developer's first demo. The gameplay loop lasts one minute, allowing players to inspect refugees and make decisions quickly, which has contributed to its popularity on social media platforms like TikTok. A TikTok video from a playtest garnered 30 million views, highlighting the game's viral potential.