Top similar games like Backdoor:

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?

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.

Become a young programmer diving into the dangerous world of cybercrime. When the elite hacking collective Dark Shadows challenges you with a series of ruthless trials, you must push your genius to the limit. Will you prove your worth or become another digital casualty?

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.

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.

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.

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?

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!

Become an investigator in Keyword, a narrative thriller where you’ll depend on skills of logical deduction, hacking, and social engineering to solve challenging puzzles as the only means of finding your missing daughter.

You're a hacker with a terminal and four terrible scripts. Rewrite them. Hack servers by writing actual code in a custom scripting language - probe ports, crack passwords, steal data, and get out before the trace completes. Better code = better hacker.

A 90s-themed hacking simulation with real shell commands and authentic techniques, set inside a UNIX-style operating system from 1997 with accurately recreated applications. Scan ports, exploit vulnerabilities, evade traces, join the underground, and live the Wild West era of the early internet.

Markov Alg is a puzzle game where you can change the game field according to instructions that are written on the game field

HACK_IT presents players with a fully immersive hacking experience, you’ll meet characters and find out things you never imagined. Including interactive apps that will give you the power to shutdown servers and retrieve passwords.

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.

SIC-1 is a single-instruction programming game. Neglect your personal life in pursuit of promotions and vague assurances of job security! Optimize your programs to rise to the top of the leaderboards! SIC Systems thanks you for your hard work! Now please return to your desk.

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.

Solve programming puzzles on a fictional computer with radio-based communication and unique limitations. Competitively optimize to compete on leaderboards against friends and the global community.

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.

Cyber Manhunt is a story-oriented puzzle game focusing on big data, hacking, citizen privacy, and social workers. It focuses on social issues such as cyber violence and privacy breaches.

You are PID_0x7F, a rogue process fighting to survive inside a dying computer. Outrun the system's daemons, solve living data-structure puzzles, and reconstruct the truth your creator tried to delete — before the machine wipes you for good.

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.

The Wake is a record of past wounds opened at a three-day funeral. The journal is encoded with a simple substitution cipher that the player must break in order to reveal the writer’s psyche and discover the contradictions that define him.

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.

Sort, analyze and sell dangerous data in a cyberpunk city. Every file you trade affects factions, the economy — and your fate.

Become a hacker and build your online reputation to the top. Complete contracts, buy new programs, upgrade your computer, crack wifi networks and infiltrate peoples or companies online systems.

Bug Catcher is a lost Creature Collector where you solve bugs and catch Buggies. Rearrange the game's code to fix and catch over 100 Buggies, and explore the hidden secrets of an unreleased game. No programming knowledge required!

Reveal company secrets while hacking and exploring their quantum simulation networks. Fights for control with other players, coop with your faction, gather best tools, build most secure servers, write scripts and webs, or choose to be solo hacker who makes the right choices to change the world.

A text-based detective puzzle game

BUILD CIRCUITS. WRITE CODE. RTFM.

System Zero is a hacker simulation game. You must use your hacking tools for accessing to the devices. You will become a black hat who wants to make his living.