In 'Postmarked Peril', players step into the shoes of an eccentric postal detective in the streets of Amsterdam, tasked with unraveling a high-stakes mystery involving a series of cryptic postzegelcodes. Each code holds a secret that ties back to a nationwide conspiracy intricately linked to the Dutch postal service. Players navigate a puzzling landscape where they encounter quirky characters, decipher coded mail, and piece together clues within a race against time before the codes expire. With choices that lead to multiple endings, every decision affects not just the outcome, but also the fate of the entire postal network.