Single-player games like SYSCALL: RING ZERO
Below are 15 single-player Steam games similar to SYSCALL: RING ZERO, 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 SYSCALL: RING ZERO page.
Ranked picks
- 1
Zero Trust
Single-player alternative to SYSCALL: RING ZERO — playable solo, no multiplayer required. Shares Indie and Simulation with SYSCALL: RING ZERO.
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.
- 2
Hacker vs IT
Single-player alternative to SYSCALL: RING ZERO — playable solo, no multiplayer required. Shares Strategy and Indie with SYSCALL: RING ZERO.
A game to show how really a fight between a Hacker and a IT worker works and how hackers operate. Old MS-DOS game.
- 3
Phasewright
Single-player alternative to SYSCALL: RING ZERO — playable solo, no multiplayer required. Shares Strategy and Indie with SYSCALL: RING ZERO.
A pulse crosses one cell per tick — the longer way arrives later. From that one rule you build machines out of light: lay conduits, split colours, hit the beat. Quiet, untimed, free.
- 4
HackMeNow
Single-player alternative to SYSCALL: RING ZERO — playable solo, no multiplayer required. Shares Strategy and Indie with SYSCALL: RING ZERO.
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.
- 5
Agents! Please?
Single-player alternative to SYSCALL: RING ZERO — playable solo, no multiplayer required. Shares Indie and Simulation with SYSCALL: RING ZERO.
The AI writes all the code. Confidently. Wrong. You are the last human reviewer. Interrogate the swarm, run the code, catch the lie. Fix it, or ship it anyway. Next comes a problem, a recall, a funeral, or the end of the world. Plays fully on a controller, and the code is real when you want it.
- 6
while True: learn()
Single-player alternative to SYSCALL: RING ZERO — playable solo, no multiplayer required. Shares Indie and Simulation with SYSCALL: RING ZERO.
You’re a machine learning specialist who makes neural networks but your cat seems to be better at it. Now you must solve puzzles to build a cat-to-human translation system (who knows what else this cat is capable of!). Earn a fortune, buy kickass cat outfits, learn how machine learning really works!
- 7
Ghost in the SQL Data
Single-player alternative to SYSCALL: RING ZERO — playable solo, no multiplayer required. Shares Strategy and Simulation with SYSCALL: RING ZERO.
Somebody reported the fire fourteen minutes before it started. Prove it in SQL by exploring the call centre data.
- 8
Cyber Warrior
Single-player alternative to SYSCALL: RING ZERO — playable solo, no multiplayer required. Shares Strategy and Indie with SYSCALL: RING ZERO.
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
- 9
Dutch's Chickens
Single-player alternative to SYSCALL: RING ZERO — playable solo, no multiplayer required. Shares Indie and Casual with SYSCALL: RING ZERO.
Explore, discover secrets, gain awesome abilities and use them to find all your lost chickens!
- 10
Ruby's Realms
Single-player alternative to SYSCALL: RING ZERO — playable solo, no multiplayer required. Shares Indie and Casual with SYSCALL: RING ZERO.
Ruby's Realms is a platformer blending metroidvania exploration with level-based challenges in mysterious cursed realms. Leap across precarious platforms, blast cultists and possessed monsters with magic flames. Collect upgrade points and buy upgrades from your friend, Skully.
- 11
Hop & Pop!
Single-player alternative to SYSCALL: RING ZERO — playable solo, no multiplayer required. Shares Indie and Casual with SYSCALL: RING ZERO.
Relax, Hop & Pop! and battle bugs in this froggy survivor game!
- 12
Dead Lasso: Temple Of Shadows
Single-player alternative to SYSCALL: RING ZERO — playable solo, no multiplayer required. Shares Indie and Casual with SYSCALL: RING ZERO.
Dodge enemies, solve environmental puzzles, and chain your growing moveset in true Metroidvania style as you unravel the temple’s deadly mysteries.
- 13
Froggy Works
Single-player alternative to SYSCALL: RING ZERO — playable solo, no multiplayer required. Shares Strategy and Indie with SYSCALL: RING ZERO.
Froggy Works is a desktop companion farming game you can play actively, or let it do its own thing in the background or on the side of the screen as an idler. Build your farm, hire frogs, decorate and fully customize your island with a ton of different decorative tiles and structures!
- 14
Thermal Runaway
Single-player alternative to SYSCALL: RING ZERO — playable solo, no multiplayer required. Shares Indie and Casual with SYSCALL: RING ZERO.
A hot spark runs the traces of a circuit board. Bounce it off reflecting switches and collect all the loose particles on each board without running into other sparks or out of time.
- 15
Algorithms
Single-player alternative to SYSCALL: RING ZERO — playable solo, no multiplayer required. Shares Indie and Simulation with SYSCALL: RING ZERO.
Practice computer science algorithms offline, for job interviews or personal skill building: read a problem, write C, run the full test deck, and get a deterministic verdict with instruction counts and the output assembly language code on a fantasy RISC machine.