Grey Hack artwork$15.99 (−20%)90%Very Positive

Grey Hack Hacking that feels real

Work a live terminal in a shared online world: scan machines, write your own exploits and build a name for yourself.

Is Grey Hack worth it?

Grey Hack is worth it if…

  • you enjoy programming and want a sandbox to write your own tools in
  • you like slow, careful planning over fast reflexes
  • you want a hacking sim with real concepts behind it, not button-clicking movie hacking
  • you are happy to fail, research and try again until something clicks

Screenshots

Hacking that asks you to think

Every network in the world has its own configuration, size and level of security, so no target plays out the same way twice. You study a system, scan it for security oversights, weigh your exploits and pick your way in. Social engineering is on the table too. The catch: once you are in, you are not done. You have to cover your tracks before someone traces the intrusion back to you. It plays out entirely on screen, as text and terminals, and the tension is real: when the backdoor opens on a machine you have been chipping at for an hour, the payoff lands.

A terminal you can rewrite

The terminal is the heart of the game, built on real UNIX commands, and everything on it, from the commands to the exploits, is written in the game's own scripting language. That means you can open up an existing command and change how it works, or write a new one from scratch when the tools on offer do not cut it. Bought an exploit that only half does the job? Edit its code and it often turns out to do more than advertised. If you have ever wanted to code your own backdoors and hacking tools, this is a genuinely fun place to do it.

A world that keeps running

This is a shared, persistent world: when you log off, it stays active around the clock. Changes you make to any computer in it remain visible to whoever connects next, long after you are gone. That cuts both ways. NPC systems and real players will probe and attack your machine while you sleep, so hardening your own setup matters as much as breaking into anyone else's. You can pick your path as white hat, grey hat or black hat, run missions for money and reputation, or hunt hidden special missions and secrets on your own.

Guilds, bounties and player-versus-player

The multiplayer world is where the rivalry lives. You can form a guild with friends and organize attacks against other players, or post and take bounties on systems. Player-made websites, used for selling code or calling out challenges, get hacked and defaced often enough that they become targets in their own right. Because everyone else is writing tools too, you never know quite what you will run into. Just know that some established groups show newcomers no mercy, so keep your defenses up from day one.

Frequently asked?

Can you play it solo?

Yes. There is a single-player mode with its own world on your computer, which pauses when you log off instead of running around the clock. It is a good place to learn the terminal and build your first tools at your own pace. The game is designed with multiplayer in mind, so the online world is richer, but solo play stands on its own with missions, procedural targets and the full scripting sandbox.

What can you actually do besides hacking computers?

Quite a lot, since it is a sandbox. You can publish your own websites in-game to share or sell your creations, set up honeypots, host services, run missions from an endless job board for money and reputation, form guilds, and even create your own cryptocurrency. You can also design your own CTF-style challenges. Progress is non-linear: nobody tells you what to do next, you decide what your hacking career looks like.

Is the game finished?

No, it is in beta at version 0.9, built by a single developer who keeps updating it and takes suggestions through the Steam forums and Discord. The systems that are in place are deep and work well, but the tutorial is thin and some players find content runs dry once they have established themselves. If you prefer polished, fully guided games, it may be worth waiting; if you like shaping a game as it grows, there is plenty here already.

Games like Grey Hack

See all
Hacker Simulator

Hacker Simulator

Type commands, crack Wi-Fi networks, plant malware and build a reputation as a freelance hacker, one contract at a time.

74% of 1,234 Steam reviews are positivePlayers online now: 5$24.99
Hacknet

Hacknet

Follow a dead hacker's trail through other people's systems, one typed command at a time.

93% of 16,978 Steam reviews are positivePlayers online now: 26$9.99
World Wide Hack

World Wide Hack

Reveal company secrets while hacking and exploring their quantum simulation networks.

59% of 69 Steam reviews are positive$16.99
How To Hack In?

How To Hack In?

A systems-driven, real-time hacking sandbox in a living, procedurally generated world.

88% of 42 Steam reviews are positivePlayers online now: 1$12.99
hackmud

hackmud

hackmud is a retro cyberpunk RPG played entirely through a terminal.

78% of 751 Steam reviews are positivePlayers online now: 19$18.99
Blackdoor

Blackdoor

You're a hacker with a terminal and four terrible scripts - time to rewrite them.

86% of 21 Steam reviews are positive$12.99
Hacker's Journey

Hacker's Journey

Hacker’s Journey is a realistic hacking simulation game built around scenarios written by cybersecurity experts. No Hollywood hacking.

76% of 252 Steam reviews are positive$4.99
hack_me

hack_me

A stripped-down hacker simulator where you break into big-company servers to prove nothing is fully protected.

68% of 1,455 Steam reviews are positive$5.99
Hacker Simulator: Free Trial

Hacker Simulator: Free Trial

Become a hacker and build your online reputation to the top by discovering a simplified and enjoyable version of real-life hacking methods.

78% of 472 Steam reviews are positiveFree
Hacker Evolution

Hacker Evolution

Hacker Evolution is a hacking simulation game, featuring unparalleled graphics and features.

71% of 419 Steam reviews are positive$4.99
HackHub - Ultimate Hacker Simulator

HackHub - Ultimate Hacker Simulator

Scan networks, crack databases and work out the next move yourself as a surveillance conspiracy slowly comes apart.

88% of 1,024 Steam reviews are positivePlayers online now: 313$16.99
Uplink

Uplink

A hacking sim from 2001 that still nails the fantasy: take contracts, crack passwords, bounce your connection across the world, and scrub every log…

89% of 1,770 Steam reviews are positivePlayers online now: 10$11.99
NITE Team 4 - Military Hacking Division

NITE Team 4 - Military Hacking Division

NITE Team 4 is a military hacking simulation with more than 70 missions about cyberwarfare.

90% of 1,021 Steam reviews are positivePlayers online now: 6$19.99
Hack Protocol

Hack Protocol

Hack Protocol is a multiplayer hacking sim where you build software, breach servers, steal data, upgrade your hardware, and cover your tracks.

100% of 5 Steam reviews are positive$8.09
CYBERLIFE

CYBERLIFE

CYBERLIFE is a complex, terminal-based multiplayer hacking game set in a persistent, shared world.

80% of 5 Steam reviews are positivePlayers online now: 1$8.99
Midnight Heist

Midnight Heist

Sneak into dark office buildings with up to three co-op friends, hack computers, grab loot, and get out before the entity finds you.

92% of 390 Steam reviews are positivePlayers online now: 14$9.99
Black Ice

Black Ice

Hack greedy megacorps to help as many people as you can in a high-agility cyberpunk looter/shooter RPG.

95% of 516 Steam reviews are positive$19.99
ThreatGEN: Red vs. Blue

ThreatGEN: Red vs. Blue

ThreatGEN: Red vs. Blue is an educational game-based cybersecurity simulator designed for those with genuine interest in cybersecurity.

88% of 78 Steam reviews are positive$14.99
The Great Fusion

The Great Fusion

Finally comes to Steam the funniest graphic adventure game from Android and iOS.

58% of 50 Steam reviews are positive$2.99