Single-player games like Blackdoor
Below are 8 single-player Steam games similar to Blackdoor, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Blackdoor page.
Ranked picks
- 1

HELLO HACKER - Project Daybreak
Single-player alternative to Blackdoor — playable solo, no multiplayer required. Shares Indie and Simulation with Blackdoor.
A story-rich hacking sim played inside a real Linux desktop. Recon networks, break web apps, crack crypto, and extract hidden data with tools that behave like the real thing, while an autonomous AI watches the network, learns, and hacks back. The commands are real. So are the consequences.
- 2

HackMeNow
Single-player alternative to Blackdoor — playable solo, no multiplayer required. Shares Strategy and Indie with Blackdoor.
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.
- 3

Netshell
Single-player alternative to Blackdoor — playable solo, no multiplayer required. Shares Indie and Simulation with Blackdoor.
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.
- 4

Hacknet
Single-player alternative to Blackdoor — playable solo, no multiplayer required. Shares Indie and Simulation with Blackdoor.
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.
- 5

Hacky
Single-player alternative to Blackdoor — playable solo, no multiplayer required. Shares Indie and Simulation with Blackdoor.
The ultimate "Hollywood Hacker" simulator for when you want to look busy, dangerous, and incredibly tech-savvy.
- 6

Grey Hack
Single-player alternative to Blackdoor — playable solo, no multiplayer required. Shares Indie and Simulation with Blackdoor.
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.
- 7

Midnight Protocol
Single-player alternative to Blackdoor — playable solo, no multiplayer required. Shares Strategy and Indie with Blackdoor.
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.
- 8

Hacker Simulator
Single-player alternative to Blackdoor — playable solo, no multiplayer required. Shares Indie and Simulation with Blackdoor.
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.