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Zero Day: Ghost Protocol

You're a hacker for hire. One routine job rips open a corporation's deadliest secret — and now the trace is live, the Feds have your handle, and the only way out is deeper in.

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·4.8 (6)
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7–8 Zaps / turn

Zero Day: Ghost Protocol

It's 02:14. A phone you don't remember buying lights up with one message, from a stranger who signs off as PYTHIA:

"You're better than the others. Break into Helix Dynamics, copy one sealed file, and you'll never work for scraps again. Don't open it."

You're a hacker for hire. You open it, of course — and now you know what the corporation hid inside the AI that decides who the police arrest.

How you play: just type what you want to do, in plain words — "scan their server," "cover my tracks," "ask Marrow what this file is worth." No real hacking knowledge needed; think like a thief in a heist movie and the world does the rest. Two tools carry the game:

  • 💻 The Terminal — your hacking screen. Break into a system, copy the data, and erase your trail before their security traces the connection back to you. A "trace" meter races up while you're inside; get out in time, or route through other machines ("relays") to slow it down.
  • 🌐 The Net — a web browser for this world: company sites, news, and the darknet Bazaar, a black market where you buy tools, sell secrets, and pick up jobs (paid in crypto).

Stay a ghost: every sloppy move raises your Heat (how hard the law is hunting you) and burns your Anonymity (how well you're hidden). Push too far and they kick your door in at dawn. Then decide what the truth is worth — leak it, sell it, bury it, or burn Helix to the ground — and trust no one, because nobody's real name is the one they give you.

Uplink meets Mr. Robot. Grounded, paranoid, choice-heavy — and the hacking is all fiction, no real exploits.

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Frequently asked questions

What is Zero Day: Ghost Protocol?

Zero Day: Ghost Protocol 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.

How do I play Zero Day: Ghost Protocol online?

You play Zero Day: Ghost Protocol 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.

Is Zero Day: Ghost Protocol free to play online?

Yes. Your first visit after each 24-hour window automatically starts a free Zap allowance (no card needed) — enough to play Zero Day: Ghost Protocol regularly. Want more? There are subscription plans.

Is there a Zero Day: Ghost Protocol app?

WorldOS runs in your mobile and desktop browser, so you can play Zero Day: Ghost Protocol online without installing anything.

What are some games like Zero Day: Ghost Protocol?

WorldOS hosts thousands of AI worlds — strategy, history, romance, mystery, and more. Browse the gallery to find more games like Zero Day: Ghost Protocol.

Can I make my own Zero Day: Ghost Protocol?

Yes. Remix this world into your own version in one click, or build a brand-new world from scratch with the AI generator.