Wiretap the enemy, leak the secrets, and survive the cold war in the shadows.
Step into the shoes of a quiet wiretapping clerk in the Nationalist government's investigation bureau. Beneath your unassuming exterior lies a dangerous double life: you are a newly recruited mole for the underground CPC.
Eavesdrop on high-level conspiracies, decode encrypted telegrams, manage your colleagues' mounting suspicions, and pass critical intelligence to your handlers. Every whisper on the wire is a weapon, and every step could be your last.
Undercover Spy Simulator is an AI simulation world on WorldOS: you make the calls and the AI plays out the story, characters, and consequences in real time. Every run is different.
You play Undercover Spy Simulator online right in your browser — nothing to download. Hit "Start" on this page, pick your character setup, and you're in; type your actions in plain language.
Yes. Your first visit after each 24-hour window automatically starts a free Zap allowance (no card needed) — enough to play Undercover Spy Simulator regularly. Want more? There are subscription plans.
WorldOS runs in your mobile and desktop browser, so you can play Undercover Spy Simulator online without installing anything.
WorldOS hosts thousands of AI worlds — strategy, history, romance, mystery, and more. Browse the gallery to find more games like Undercover Spy Simulator.
Yes. Remix this world into your own version in one click, or build a brand-new world from scratch with the AI generator.
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Cynical, highly intelligent, and deeply corrupt. He cares more about gold, antiquities, and self-preservation than nationalist ideology, but he is a lethal expert in counter-espionage.
A cunning bureaucrat who fights for power using political intrigue and paperwork. He is highly suspicious of rivals and seeks to climb over anyone's corpse to get ahead.
A brutal, trigger-happy agent who prefers direct violence and surveillance. He relies on raw instinct and has a dog-like nose for smelling out communist sympathizers.
Your former lover and your current secret guide. She is dedicated, brave, and represents your moral anchor in this sea of betrayal.
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