Top similar games like Blackdoor:

HELLO HACKER features a realistic terminal. Use real Linux commands, network scanning, password cracking, and cryptography to infiltrate 10 interconnected servers and expose a deadly government surveillance program. Your colleague is missing. You're next. Are you ready to be a hacker?

In Void Future: Hacking Protocol, you play as a hacker in a cyberpunk world ruled by corporations. Hack, solve puzzles, and uncover a global conspiracy. Hunted by a system that never sleeps, you’ll need to stay hidden, outsmart surveillance, and fight to survive.

Hacknet is an immersive, terminal-based hacking simulator for PC. Dive down a rabbit hoIe as you follow the instructions of a recently deceased hacker, whose death may not have been the accident the media reports.

You're a computer engineer with a terrible secret. Someone is blackmailing you and now, you have to hack some servers and get secret files for him. Would you succeed in achieving their missions or would you find them and revenge?

A terminal-style hacking puzzle game where every command matters. Investigate logs, decode secrets, avoid traps, and uncover the rogue system watching from behind the screen.

Hifuu OS: Immersive hacking simulator based on the Touhou Project. Play as Renko Usami, learn and use authentic terminal commands to hack into the Great Hakurei Barrier. Unravel the truth behind Maribel Hearn's mysterious coma as you search through Gensokyo's secret and private documents.

CHAQS is an instructive CTF (Capture The Flag) game that performs the basic functions of an operating system. While it meets your expectations from an operating system to a certain extent with the applications it contains, CHAQS progresses in the direction of more challenges in terms of gameplay.

Void Future: Prologue is a standalone free experience set in the universe of Void Future. Play as a hacker in a cyberpunk world ruled by corporations and complete a single, fully designed mission. Hack systems, solve puzzles,and uncover secrets — while staying hidden from a system that never sleeps.

Are you ready to build your own torrent empire? Crack software, manage servers, dive into shady deals, and outsmart the authorities—all in the shadow of the 2000s. Balance risk and reward in this terminal-based strategy sim. Become a digital legend or lose it all!

A story-rich hacking simulation set inside a full Linux desktop environment. Use real terminal commands, crack passwords, intercept traffic, and expose a secret autonomous AI program.. before it exposes you.

Uplink lets you play as a freelance hacker tackling risky contracts for corporations. Break into systems, steal data, sabotage rivals, and upgrade your gear. Support factions or go rogue in this immersive, strategy-driven hacking simulation game where your choices shape the outcome.

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.

An action hacking simulator set in a fully simulated world. Choose your path, craft your own tools, exploit vulnerabilities, and build your reputation. Every company, hacker, and law enforcement agency operates independently — nothing happens by chance. Every playthrough is unique.

A terminal‑based hacking simulator focused on realism and system‑level interaction.

Wake up to silence. One terminal, one survivor, one dying ship. Can you bring the Delta-4 back online? Delta 4 is a sci-fi survival terminal sim—type commands, decode logs, and fight to keep a dying ship alive.

A single player hacking adventure set in the Untrusted world where you'll be playing as various hackers getting into computer systems to hack, steal and sabotage. Manage your crew, manage your risks, threaten or kill your targets. Investigate. Hack. Don't Die.

Comet 64 is a programming puzzle game. The year is 1984. All you got is a Comet 64 home computer and the operator's manual it came with.

The ultimate "Hollywood Hacker" simulator for when you want to look busy, dangerous, and incredibly tech-savvy.

Radiotext is an interactive story set in the near future, where communication without intrusion requires radio-waves. Dive into a cryptographic radio-net in this text-based rpg, where you need to think carefully before typing your answers.

Alternate between infiltration and hacking of cameras and servers, using real tools. Sharpen your OSInt skills, prepare a trojan, and launch a targeted phishing attack to hack in total discretion...

Incremental hacker about faking productivity while stealing from your employer. Sell intel for credits or keep it and raise suspicion. One bad audit and you’re back to Intern.

Explore CyberQuest, where your decisions define you. Journey from a novice freelancer to a skilled hacker. Choose your path: white hat, black hat, or hacktivist, and embrace the cyber challenge!

RootKit is a tactical hacking game set inside a corporate honeypot network. Track hostile hackers, infiltrate their systems, steal crypto and data, and eliminate them before they trace your connection.

Hacking Into Erebus is a sci-fi hacking simulator set in deep space. Infiltrate a hostile ship network through a terminal interface. Execute commands, exploit vulnerabilities, sabotage critical systems and uncover the secrets hidden within the ISS Erebus.

Enter the terminal and jack into a retro-cyberpunk world. Hardwired is a hacker simulation where you explore networks, uncover secrets, and manipulate systems through command-line interfaces. Discover hidden logs, tap into surveillance feeds, and unravel story a set in a fractured dystopia.

Cyber Warrior is a hacking simulator where you play as an ex retired bureau agent recruited back to take on a powerful criminal organization. Explore dozens of interactive desktops, navigate 200+ in-game websites, solve puzzles, customize your setup and make decisions that will shape a new cyber age

Hacker Evolution is a hacking simulation game, featuring unparalleled graphics and features. You play the role of a former intelligence agent, specializing in computer security. When a chain of events sets off worldwide, leaving critical service disabled, you assume the role a computer hacker to find out what happened and attempt to stop...

Master the machine. In RE_ALLOC, you are the architect of execution. Design intricate hardware circuits, write custom assembly code, and optimize data flow across memory nodes. Efficiency is your only metric. Can you reach the kernel, or will your logic fail?

Mystery Boxes is a codebreaking puzzle game. Send 4-digit signals to a mysterious artifact, which will respond with another sequence. Look for patterns in the responses to identify the rules, then use this information to produce the target response.

Midnight Protocol is a tactical narrative-driven RPG with unique keyboard-only controls. Hack into servers, beat security systems and discover encrypted secrets while you try to find answers to why and how you got doxxed.

Reverse-engineer a private 1990s BBS. Read disassembly, patch broken checks, optimize a nine-core rack, and write assembly firmware that locks onto live scope traces. With 200+ puzzles, full controller support and offline play, you can refine your assembly skills on all your devices!

Bitburner is a programming-based incremental game. Write scripts in JavaScript to automate gameplay, learn skills, play minigames, solve puzzles, and more in this cyberpunk text-based incremental RPG.