STEAMDB NEXUS

Steam app 605230 · updated 12 Sep 2026, 19:52 UTC

Grey Hack

Grey Hack is a massively multiplayer hacking simulator game. You're a hacker with full freedom to act as you wish on a vast network of procedurally generated computers.

Grey Hack Steam header artwork
Loading HomeLoading Home
102playing now
10224-hour peak
332all-time peak
31average, last 30 days

The last 30 days

−2.1Gain−6.41%% gain102Peak

715 hourly samples, with the daily peak drawn over them. Weekends are shaded.

028558311013 Aug18 Aug23 Aug28 Aug02 Sep07 Sep12 SepThursday 13 August 202637 peakFriday 14 August 202647 peakSaturday 15 August 202640 peakSunday 16 August 202646 peakMonday 17 August 202637 peakTuesday 18 August 202643 peakWednesday 19 August 202643 peakThursday 20 August 202651 peakFriday 21 August 202648 peakSaturday 22 August 202647 peakSunday 23 August 202662 peakMonday 24 August 202643 peakTuesday 25 August 202638 peakWednesday 26 August 202637 peakThursday 27 August 202639 peakFriday 28 August 202638 peakSaturday 29 August 202637 peakSunday 30 August 202641 peakMonday 31 August 202641 peakTuesday 01 September 202636 peakWednesday 02 September 202631 peakThursday 03 September 202631 peakFriday 04 September 202635 peakSaturday 05 September 202645 peakSunday 06 September 202641 peakMonday 07 September 202639 peakTuesday 08 September 202643 peakWednesday 09 September 202640 peakThursday 10 September 202658 peakFriday 11 September 202685 peakSaturday 12 September 2026102 peak
Daily peakEvery hourly sample

All time

106 months, December 2017 to September 2026. The highest number of people in the game at once, each month, on a time axis -- a gap in the record stays a gap.

0901792693592017201920202022202320252026December 201712 monthly peakJanuary 201813 monthly peakFebruary 201818 monthly peakMarch 20189 monthly peakApril 201816 monthly peakMay 201813 monthly peakJune 201816 monthly peakJuly 201812 monthly peakAugust 201812 monthly peakSeptember 201822 monthly peakOctober 201813 monthly peakNovember 201818 monthly peakDecember 201817 monthly peakJanuary 201924 monthly peakFebruary 201916 monthly peakMarch 201924 monthly peakApril 201935 monthly peakMay 201920 monthly peakJune 201970 monthly peakJuly 201948 monthly peakAugust 201927 monthly peakSeptember 201924 monthly peakOctober 201939 monthly peakNovember 201932 monthly peakDecember 201934 monthly peakJanuary 202029 monthly peakFebruary 202031 monthly peakMarch 202036 monthly peakApril 202037 monthly peakMay 202039 monthly peakJune 202036 monthly peakJuly 202045 monthly peakAugust 202041 monthly peakSeptember 202052 monthly peakOctober 202038 monthly peakNovember 202051 monthly peakDecember 202038 monthly peakJanuary 202153 monthly peakFebruary 202149 monthly peakMarch 202143 monthly peakApril 202138 monthly peakMay 202149 monthly peakJune 202144 monthly peakJuly 202139 monthly peakAugust 202137 monthly peakSeptember 202145 monthly peakOctober 202148 monthly peakNovember 202138 monthly peakDecember 202172 monthly peakJanuary 202273 monthly peakFebruary 202246 monthly peakMarch 202232 monthly peakApril 202245 monthly peakMay 202237 monthly peakJune 202237 monthly peakJuly 202239 monthly peakAugust 202267 monthly peakSeptember 202252 monthly peakOctober 202240 monthly peakNovember 202243 monthly peakDecember 202240 monthly peakJanuary 202348 monthly peakFebruary 202352 monthly peakMarch 202351 monthly peakApril 202359 monthly peakMay 202349 monthly peakJune 202349 monthly peakJuly 202357 monthly peakAugust 202346 monthly peakSeptember 202339 monthly peakOctober 202349 monthly peakNovember 202354 monthly peakDecember 2023244 monthly peakJanuary 2024332 monthly peakFebruary 2024120 monthly peakMarch 2024147 monthly peakApril 2024103 monthly peakMay 2024204 monthly peakJune 202478 monthly peakJuly 202480 monthly peakAugust 202466 monthly peakSeptember 202458 monthly peakOctober 202469 monthly peakNovember 202458 monthly peakDecember 202457 monthly peakJanuary 202557 monthly peakFebruary 2025110 monthly peakMarch 202579 monthly peakApril 202566 monthly peakMay 2025199 monthly peakJune 202597 monthly peakJuly 202578 monthly peakAugust 202562 monthly peakSeptember 202576 monthly peakOctober 202563 monthly peakNovember 202588 monthly peakDecember 202587 monthly peakJanuary 202692 monthly peakFebruary 202697 monthly peakMarch 202662 monthly peakApril 2026191 monthly peakMay 202691 monthly peakJune 202667 monthly peakJuly 202685 monthly peakAugust 202662 monthly peakSeptember 2026102 monthly peak
Monthly peak

The last four months

Show:

The highest number of people in the game at once, each month. Four, because four is as far back as the source keeps anything finer than one figure a month.

0285583110July 2026August 2026September 2026October 2026July 202685 peak — daily detail belowAugust 202662 peak — hourly detail belowSeptember 2026102 peak — hourly detail below
Monthly peakHas finer data

July 2026

31 days, each one the highest figure that day. The source keeps no hourly detail this far back. Weekends are shaded.

02346699201 Jul06 Jul11 Jul16 Jul21 Jul26 Jul31 JulWednesday 01 July 202656 peakThursday 02 July 202652 peakFriday 03 July 202652 peakSaturday 04 July 202658 peakSunday 05 July 202654 peakMonday 06 July 202643 peakTuesday 07 July 202653 peakWednesday 08 July 202657 peakThursday 09 July 202657 peakFriday 10 July 202649 peakSaturday 11 July 202644 peakSunday 12 July 202654 peakMonday 13 July 202655 peakTuesday 14 July 202639 peakWednesday 15 July 202639 peakThursday 16 July 202644 peakFriday 17 July 202642 peakSaturday 18 July 202660 peakSunday 19 July 202650 peakMonday 20 July 202655 peakTuesday 21 July 202656 peakWednesday 22 July 202671 peakThursday 23 July 202666 peakFriday 24 July 202667 peakSaturday 25 July 202672 peakSunday 26 July 202685 peakMonday 27 July 202667 peakTuesday 28 July 202652 peakWednesday 29 July 202657 peakThursday 30 July 202657 peakFriday 31 July 202659 peak

August 2026

31 days as the curve, each the highest figure that day. Behind it, 434 hourly samples from 13 Aug, which is as far back as the source keeps every hour. Weekends are shaded.

01733506701 Aug06 Aug11 Aug16 Aug21 Aug26 Aug31 AugSaturday 01 August 202660 peakSunday 02 August 202658 peakMonday 03 August 202649 peakTuesday 04 August 202654 peakWednesday 05 August 202656 peakThursday 06 August 202658 peakFriday 07 August 202659 peakSaturday 08 August 202652 peakSunday 09 August 202658 peakMonday 10 August 202662 peakTuesday 11 August 202656 peakWednesday 12 August 202645 peakThursday 13 August 202638 peakFriday 14 August 202647 peakSaturday 15 August 202640 peakSunday 16 August 202646 peakMonday 17 August 202637 peakTuesday 18 August 202643 peakWednesday 19 August 202643 peakThursday 20 August 202651 peakFriday 21 August 202648 peakSaturday 22 August 202647 peakSunday 23 August 202662 peakMonday 24 August 202643 peakTuesday 25 August 202638 peakWednesday 26 August 202637 peakThursday 27 August 202639 peakFriday 28 August 202638 peakSaturday 29 August 202637 peakSunday 30 August 202641 peakMonday 31 August 202641 peak

September 2026

12 days as the curve, each the highest figure that day. Behind it, 281 hourly samples. Each dip is a night. Weekends are shaded.

028558311001 Sep03 Sep05 Sep07 Sep09 Sep11 SepTuesday 01 September 202636 peakWednesday 02 September 202631 peakThursday 03 September 202631 peakFriday 04 September 202635 peakSaturday 05 September 202645 peakSunday 06 September 202641 peakMonday 07 September 202639 peakTuesday 08 September 202643 peakWednesday 09 September 202640 peakThursday 10 September 202658 peakFriday 11 September 202685 peakSaturday 12 September 2026102 peak

October 2026

Grey Hack was released on 14 Dec, 2017.

Not out yet.There is nothing to draw for this month.
Nothing here is interpolated or estimated; where a sample is missing the line is broken.

Game information

Updated 12 Sep 2026, 19:52 UTC
App ID
605230
Last updated
20 Aug 2026 build 24847343
Developer
Loading Home
Publisher
Loading Home
Release date
14 Dec, 2017
Platforms
WindowsmacOSLinux
Download size
318 MB171 MB158 MB
Install size
1.53 GB818 MB786 MB
Genres
Indie, Massively Multiplayer, Simulation, Early Access
Game modes
Single-player, Multi-player, MMO, PvP, Online PvP, Co-op, Online Co-op, Cross-Platform Multiplayer
Controller support
Unknown
Early Access
Listed in Early Access

Features & support

Steam features

Steam Trading CardsSteam WorkshopFamily Sharing

Controllers & input

Accessibility

Popular tags

HackingSimulationProgrammingMassively MultiplayerEarly AccessIndieStrategySandboxRealisticPvPLogicTypingEducationText-BasedCrimeDetectiveCyberpunk2DImmersive SimAdventure
About this gameFull description from Steam
Grey Hack is a massively multiplayer hacking simulator game. You're a hacker with full freedom to act as you wish on a vast network of procedurally generated computers. File Explorer, Terminal and Text Editor are some of the programs that will be available from the start of the game. As you improve your skills you will find new utilities that you may install and use. A living persistent world Explore the Grey Hack universe and forge your own reputation in a world shared by all players. When you leave the game, the online universe remains actively running 24/7. This always active game session means that the changes you have made in any computer in the world can be seen by players who connect to them even if you are no longer online. Your progress will be saved, but your actions may have consequences. Plan your attacks Each network in the world has a totally different configuration, size and security, also using a dynamic and deep exploit system so that each network and computer poses a different challenge. Study your target; use social engineering, scan the system for administrator flaws that allow a backdoor to be opened, test different possible exploits, but above all, cover your tracks when you're done. Create, modify, share The terminal has a fundamental role, based on real UNIX commands; it is an indispensable tool for carrying out successful attacks. Terminal commands and exploits have been built using the scripting language available in the game, this means that you can modify any existing command or create your own if you wish. In the same way you can create your own exploits if the ones that are already available in the world do not satisfy your needs. Sandbox Grey Hack offers a non-linear experience where you progress at your own pace. Publish web pages to share your creations, create guilds and organize attacks against other players, carry out commissioned missions to earn money and reputation, or explore the world on your own where special missions and other secrets are hidden. Single Player Mode Grey Hack is intended to be played in Multiplayer Mode, benefiting from the richer environment of an always-online universe, but the game also offers a single player mode for those so inclined. In Single Player mode, you play in a world created on your computer. Unlike Online Mode, when you exit the game in Single Player, the in-game universe stops, and progress resumes only upon your return. Roadmap Grey Hack is in the Beta phase version 0.9. You can check the roadmap on the game's Steam forum. I am open for suggestions, if there is any feature you would like to see in the game, do not hesitate to let me know through the Steam forums or Discord.
Content & age ratings2 regional ratings

Regional ratings

DEJUS14Linguagem imprópria · Atos criminosos
IGRS13Penggunaan bahasa · Interaksi Daring
System requirementsMinimum and recommended hardware

Minimum

Minimum: OS: Windows 10, Windows 11 Processor: SSE2 instruction set support Memory: 512 MB RAM Graphics: DX10, DX11, DX12 capable GPU Storage: 500 MB available space

Recommended

macOS

Minimum: OS: Mojave 10.14+ Processor: Apple Silicon, x64 architecture with SSE2 Memory: 512 MB RAM Graphics: Metal capable Intel and AMD GPUs Storage: 560 MB available space

Linux

Minimum: OS: Ubuntu 18.04, Ubuntu 20.04 and CentOS 7 Processor: x64 architecture with SSE2 instruction set support Memory: 512 MB RAM Graphics: OpenGL 3.2+, Vulkan capable Storage: 545 MB available space
Supported languages2 languages
LanguageFull audio
English
Spanish - Spain

A blank audio cell means full audio was not marked in the returned language list.

Screenshots & trailersScreenshots and trailers

Trailers

AchievementsTotal count and selected achievements

50 developer announcements, May 2025 to Sep 2026 · times in UTC

September

  1. Grey Hack joins Steam Programming Fest!

    In Grey Hack, programming is one of the ways you explore and interact with a network of simulated computers. With GreyScript, the game's scripting language, you can modify existing commands, write your own utilities, and develop tools to…

    Kurouzu
  2. [Nightly] Update v0.9.7094

    Changelog - Implemented refresh button in ScanLan and ConfigCompany with a cooldown of 2 seconds. - Fixed an issue where players could only fire one superadmin across multiple rented servers. Monthly administrator fees are now adjusted…

    Patch notes

August

  1. [Public] Update v0.9.6775

    Changelog - Fixed Bug #1271: Streaming Mode not hiding the public ip on trace being canceled in AdminMonitor.exe - Fixed regression bug in the Warehouse window where the hardware batch purchase button was unresponsive.

    Patch notes
  2. [Nightly] Update v0.9.7052

    Changelog - Added a crown for the guild that remains in first place on the leaderboard for 15 in-game days without losing the top spot. - Implemented the CrownShield service, allowing the crowned guild to apply it to a network, protecting…

    Patch notes

July

  1. [Public] Update v0.9.6773

    Changelog - Fixed bug in bank account registration that could incorrectly trigger the "username too long" error when the limit had not been exceeded. - Fixed regression bug in scripting that could cause a delay in the execution of…

    Patch notes
  2. [Nightly] Update v0.9.6974

    Since the Nightly Build has frequent updates, with several often happening in the same week or day, to keep the Steam news feed readable I’ll be grouping recent Nightly changes into periodic summary posts, instead of publishing a separate…

    Patch notes

June

  1. [Public] Update v0.9.6771

    Changelog Fixed bug that caused procedural missions not to give Karma upon completion, which also prevented the triggering of "something strange" karma mission emails. The fix applies to missions accepted from now on.

    Patch notes

May

  1. [Nightly] Update v0.9.6796

    The nightly build is open to everyone! Note that the Nightly version is unstable, may contain game breaking bugs and the savegame can be deleted frequently. So It is not recommended for new players. The nighly build is designed to help…

    Kurouzu
  2. Update v0.9.6770

    Changelog - Fixed bug where an instant Active Trace could occur when interacting with the network from a Terminal opened from a remote FileExplorer. - coin.create_subwallet has a limit of 15 alphanumeric characters for username and…

    Patch notes
  3. Update v0.9.6757

    Changelog - Re-applied fix for Bug #1151: mail_login without @ symbol in the user field causes a script crash - Fixed crash that could occur when attempting to blackmail NPCs during a hidden/karma mission, causing no response to be…

    Patch notes
  4. Update v0.9.6753

    - The windows can be maximized and restored by double-clicking on the title bar. - Fixed bug in the mission "find and delete remote file" that caused the mission not to grant the reward if the player had deleted the folder containing the…

    Patch notes
  5. Update v0.9.6750

    Changelog - Fixed bug in the scrollbars of HTML pages that caused the mouse wheel/trackpad not to respond to scrolling, forcing the user to drag the bar manually. - Minor visual improvements in Shops/Hackshops. - Fixed bug that could leave…

    Patch notes
  6. Update v0.9.6745

    Changelog - The title bar of any remote window now displays the IP address, just like in remote terminals. - Minor adjustments to ScanLan to improve readability when displaying LAN device IPs.

    Patch notes
  7. Update v0.9.6742

    Changelog - Fixed bug that caused the Tutorial to not display text when progressing to the next step in creating an email account if the player was using Spanish language. - Fixed several minor visual issues in the Manual when resizing the…

    Patch notes

April

  1. Update v0.9.6739

    Changelog - Fixed corrupted conversation in procedural missions that could cause a crash when interacting with the network containing the file, such as when using nmap. - Fixed rare script crash when connecting to services after using…

    Patch notes
  2. Update v0.9.6735

    Changelog - Fixed bug in procedural missions in the cases where the target NPC appear multiple times in the same LAN, sharing the same email address. Now procedural missions assign different emails to each repetition, so rshell responses…

    Patch notes
  3. Update v0.9.6727

    Changelog - Fixed bug in the Tutorial that could cause it to get stuck while waiting for the player to enter a command if it included a path. This bug was more common in the part of the tutorial for installing rshell-server. - Fixed…

    Patch notes
  4. Update v0.9.6724

    The public build has been updated with the latest available version of the game! As usual, since the nightly build has merged to the public version, the nightly build has been disabled until the next cycle. There has been a slight change of…

    Kurouzu
  5. [Public] Update v0.9.6227

    Changelog - Fixed Bug #1264: Launching a /usr/bin/terminal from a router shell causes an active trace that cannot be stopped. - Fixed bug in the coin buying/selling system that could allow a player to cancel another person's trade. - Fixed…

    Patch notes
  6. [Nightly] Update v0.9.6674

    The nightly build is open to everyone featuring Tutorial rework, Procedural Missions, improvements in Greyscript and more! Note that the Nightly version is unstable, may contain game breaking bugs and the savegame can be deleted frequently.…

    Kurouzu

March

  1. Update v0.9.6217

    Changelog - Redesign of the Main Menu to indicate that Multiplayer mode is the recommended mode. - Fixed Bug #1257: It is not possible to complete the karma mission labeled "CONV_K_MISSION_4"

    Patch notes
  2. Update v0.9.6215

    Changelog - Fixed Bug #1256: String.matches() crash when the search pattern contained special regex characters. - Improved chat history management system to prevent potential performance issues on the server. - Updated Admin tools.

    Patch notes

February

  1. Update v0.9.6209

    Changelog - Fixed Bug #1254: Notepad.exe overwriting a file not working as expected - Fixed issue on Intel Macs that prevented launching the game.

    Patch notes
  2. Update v0.9.6206

    Changelog Added the option to block users in the chat: - To access, open the Chat program and press the new "Chat settings" button. - Blocked users will not be able to send you private messages. - In channels, messages from blocked users…

    Patch notes
  3. Update v0.9.6198

    Changelog - Added support for Japanese characters in the font system. - Updated the font and improved coverage for Simplified Chinese characters. - Reduced bandwidth usage by preventing redundant client data when using connect_wifi and…

    Patch notes

January

  1. Update v0.9.6187

    Changelog - Now the player computer creation window notifies the player if they have entered non-alphanumeric characters in any field, preventing the installation, instead of ignoring those characters and continuing with the creation of the…

    Patch notes
  2. Update v0.9.6186

    Changelog - Fixed Bug #1249: Unable to create a symlink with 3 MB free HDD space. - Fixed bug that prevented creating a symlink on the desktop using the context menu > Create Shortcut - Added information about the bank traces in the entry…

    Patch notes
  3. Update v0.9.6179

    Changelog - Fixed bug that could cause part of the zero day, hidden & karma missions not to generate correctly, preventing them from being completed. The fix applies to missions generated from now on. Server Updates - Fixed crash in the…

    Patch notes

December

  1. Nightly Build: Developer Preview

    Hello everyone! I would like to share with you the latest news about the development. The public version can already be considered stable and this means that the next development cycle has already begun. Therefore the public version will…

    Kurouzu
  2. Update v0.9.6178

    Changelog - Fixed regression bug that prevented the Gift.txt file from being created on the desktop when starting a new game, even if the part of the tutorial about connecting to a wifi had been completed previously. - Removed obsolete…

    Patch notes

November

  1. Update v0.9.6173

    Changelog - Fixed crash in Browser that could cause the game to close when trying to access certain web pages. - Only root or users in the root group can execute computer.reboot - When performing a backup, restore, deletion, or applying…

    Patch notes
  2. Update v0.9.6168

    Changelog - Fixed Bug #1243: No titles in windows when UI scale is less than 75% - Fixed Bug #1246: Sudo throws error when launching from custom bash that expects params - Fixed bug in the manual entries for passwd and useradd, which were…

    Patch notes
  3. Update v0.9.6161

    Changelog - Fixed Bug #1035: bitAnd returns 0 for a >= (2^32-1) operand - Fixed bug that allowed a fired or dead superadmin NPC to continue intercepting overflows. - Fixed bug in netsession.flood_connection that allowed superadmin NPCs to…

    Patch notes
  4. Update v0.9.6156

    Changelog - Fixed bug in ConfigLan that allowed a network to be deleted while a script was running from it, which could cause unexpected behaviors. - Fixed bug in Terminal that could cause freezes or the game to become unresponsive…

    Patch notes
  5. Update v0.9.6154

    I’m pleased to announce that Grey Hack finally has music! Over the last two months I’ve been working exclusively on composing the game’s soundtrack, resulting in a total of 10 tracks. One of them is an easter egg, and I still have to decide…

    Kurouzu

October

  1. Update v0.9.6123

    Changelog - Updated Unity: Addressed CVE-2025-59489 - Fixed bug in the chat when applying an incorrect font when displaying Polish diacritic characters. - Corrected typos in the English language in several places.

    Patch notes

September

  1. Update v0.9.6121

    Changelog - Fixed Bug #1231: pc parts being deleted on restore. Note: Rental backups made prior to this update have been removed to avoid compatibility issues. - The hardware components of a restored system cannot be sold. - Fixed Bug…

    Patch notes
  2. Update v0.9.6117

    Changelog - Fixed Bug #1229: Using clear_screen in a loop causes low fps - Added a 100ms cooldown to clear_screen to prevent abuse - Fixed crash in terminal when using Control+C at the moment the terminal is not displaying text right after…

    Patch notes
  3. Update v0.9.6116

    Changelog - Fixed bug in locate_vehicle that allowed locating an npc's vehicle even if they didn't have a car. - Fixed bug that prevented decrypting a copy of an encrypted text file. - Fixed bug #1228: file.cap files don't respect…

    Patch notes
  4. Update v0.9.6114

    Changelog - Fixed bug that could cause "ghost" computers of players who had received a game over while connected to any network to persist in the world, potentially causing unexpected behaviors when trying to interact with them. Server…

    Patch notes
  5. Update v0.9.6108

    Changelog - Fixed bug that caused an instant active trace to occur when triggering the action from a terminal started from a subterminal. - Fixed bug when receiving the runtime error "connection interrupted" from a subterminal, causing the…

    Patch notes
  6. Update v0.9.6104

    Changelog - Fixed bug when using reboot on a system where an encrypted SSH connection had been established, causing a runtime exception to be thrown in a loop when trying to reconnect immediately. - Fixed bug in the chat that caused the…

    Patch notes
  7. Update v0.9.6097

    Changelog - Fixed bug that caused the administrator of a network to not restore the target if all its accesses were blocked by a player's action, even if the admin was online. - Fixed bug that caused the administrator to not restore the…

    Patch notes
  8. Update v0.9.6093

    Changelog - Fixed bug when using overflow on a router, showing the message "target is behind a firewall" even if it was disabled, until the terminal was restarted. (2) - Added shortcut Control+S and Control+O in Notepad and CodeEditor to…

    Patch notes

August

  1. Update v0.9.6087

    The public build has been updated with the latest available version of the game! As usual, since the nightly build has merged to the public version, the nightly build has been disabled until the next cycle. This update has mainly focused on…

    Kurouzu

July

  1. [Public] Update v0.9.5694

    Changelog - Fixed bug on Apple Silicon Macs where the configured maximum FPS in the graphics settings was ignored, causing the frame rate to be stuck at 60 FPS. - The game now runs natively on Apple Silicon Macs, removing the need to…

    Patch notes

June

  1. [Nightly] Update v0.9.5944

    Changelog - Added net_session.flood_connection method to perform DDoS attacks. This attack must be carried out from multiple networks and terminals to be effective. If the attack succeeds, the victim’s machine will reboot and will not be…

    Patch notes
  2. Experimental Build Becomes Nightly

    Hey everyone, After several weeks of testing, and thanks to the community’s feedback and reports, the changes introduced in the Experimental Build have proven stable enough to move forward. As of today, this version becomes the new Nightly…

    Kurouzu
  3. Update v0.9.5689

    Changelog Fixed Bug #1190: tag displays small regardless

    Patch notes

May

  1. Update v0.9.5685

    Changelog - Fixed Bug #1191: Replacing libs on /lib with sym_links make service accessible but unhackable - Fixed bug in net_use that allowed obtaining a net_session if there was a broken symlink in the /lib path of the target, replacing…

    Patch notes

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