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Grey Hack is a massively multiplayer hacking simulator game.

You're a hacker with full freedom to act as you want on a vast network of computers procedurally created.

The interface of the game is similar to a current desktop operating system. The file explorer, the command terminal or text editor are some of the programs that will be available from the start of the game. As you improve your skills you will encounter new utilities may install and use.

In Grey Hack, terminal has a fundamental role, it is also based on actual unix commands and will be an indispensable tool to perform successfully hacking actions.

Early Access Main Features

  • Simulator based on real UNIX commands.
  • Share the same world with other players online.
  • World generated procedurally.
  • Online data persistence, allowing you to continue later in the same world and with the same computer after leaving the game.

General Development Plan

The following features are not yet included in the game. During the development in Early Access will be completed, expanded and improved based on feedback from the community.

One of the main objectives of the development is that each player action influence the world and therefore the other players.

For example, you will be able to act on your own benefit, even if you cause collateral damage, help the authorities stop criminals or simply keep a low profile and take advantage of the actions of other players.

In future versions of the game, you will have the possibility to join a group of hackers to carry out coordinated attacks or even create your own group in which you will be able to recruit other players.

Currently each computer in the network is used by at least one user. Each user lives consistently in the world; go to work, shop online, etc.
In future versions of the game you will be able to directly or indirectly influence the lives of these people depending on what you do.

This concept of action-reaction is going to be expanded and completed throughout the development in Early Access.

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Update v0.6.1124a


Additions & improvements

  • Improved stability of the world by correcting an internal error that caused certain system identifiers to change depending on the network to which a machine was connected causing problems in the procedural generation, obtaining and completing missions among other problems.

  • Now you can also see and cancel the missions that you accepted, in addition to those created by you, in the Menu > Preferences > Contracts

  • Not all routers in the world have wifi activated. The following network types now have the wifi disabled:
    Hackshops, mail servers, banks, police stations
    In future updates this aspect will can be configured from the router.

  • When an admin restores a PC it also restarts it, if it has been destroyed by a player, to prevent it from remaining unavailable indefinitely until the game server is restarted.


  • Fixed bug when using decipher with file of type .cap causing the error message to be displayed infinitely in the terminal.

  • Fixed bug that caused that the players could not stop a service in their own computer, only in the rented ones.

  • Fixed bug in "iwlist" when displaying networks near the player on a remote PC.

  • Fixed bug when executing iwconfig in remote PCs since the player's PC was connected to the Wi-Fi, instead of the remote PC.

  • Now the distance of the network is taken into account when executing commands such as iwconfig.

  • Fixed an error that caused that in some occasions a completed mission could be charged indefinitely.

  • Fixed bug that caused in some occasions that new users could not register an email or bank account. Receiving the message "Registration failed, Service temporary down."

  • Fixed minimum reputation to create a mission, which is level 2.

  • Fixed bug in missions created by players by not showing correctly the list of players who have accepted the mission.

  • Fixed error in Single player that caused that new missions in a hackshop were not regenerated if they had all been completed.

  • Fixed error in the format of UserConfig.sys in the mail servers that prevented the player from using the decipher program with the content.

  • Fixed bug by which the emails sent by one player to another did not arrive if the latter was not online.

A database wipe has been required due to this changes.

Update v0.6.1099

Update v0.6.1099


Some additions like reputation system and missions created by players.

Early Access Roadmap

Early Access Roadmap


Hi! I think it's time to share the Early Access Roadmap with you.

Update v0.5.964a

Update v0.5.964a


This update is mainly based on chat improvements to allow players to communicate comfortably ingame.

Update v0.5.945a

Update v0.5.945a


Hello everyone! This update is focused on bugfixes.


I just saw your game, and got interesed.
May I can ask you about the price,and other things?
I hope you will contact me as soon as possible:

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how do i get to it to play? New here

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LoadingHome Creator

Hi! The game will leave the status of closed alpha and will be available in steam next week as early access.

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I just saw your game on Greenlight, it looks so intriguing! Do you have an email address I can reach out to you on?

Kind regards


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LoadingHome Creator

I will create a specific email account for the game and profiles on various social networks soon, I will notify you when they are ready. Thanks for your interest!

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Grey Hack
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