SYSCALL: RING ZERO
Games like SYSCALL: RING ZERO

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Games like SYSCALL: RING ZERO

A technical puzzle-simulation about reverse-engineering a 1990s BBS, with 200+ assembly and debugging challenges.

Silicon Zeroes
An open-ended hardware-building puzzle game set in Silicon Valley's first startup, with a light story and reviewer-reported playtime of about 3.5 hours.
2017-09-18
- Puzzle
- Indie

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Games like SYSCALL: RING ZERO | IndieDex

SYSCALL: RING ZERO
Games like SYSCALL: RING ZERO

Find the Steam hidden gems

camera comforts with secrets you find without a guideor

Edit search

Games like SYSCALL: RING ZERO

A technical puzzle-simulation about reverse-engineering a 1990s BBS, with 200+ assembly and debugging challenges.

Silicon Zeroes
An open-ended hardware-building puzzle game set in Silicon Valley's first startup, with a light story and reviewer-reported playtime of about 3.5 hours.
2017-09-18
- Puzzle
- Indie

Simulator

Last Call BBS

A retro-styled collection of challenging automation and logic puzzles with a BBS framing, offering split-screen multiplayer and absorbing playtimes that often reach dozens of hours.

2022-08-03

Science fiction
Puzzle
Strategy
Bird view / Isometric
Indie
Simulator
Arcade
Sandbox

Comet 64

A single-player, compact programming puzzle game set in 1984, where you write code on a fictional home computer using its manual, with a median reviewer playtime of about 9 hours.

2021-02-05

Puzzle
Indie
Simulator
Text
Educational

SHENZHEN I/O

A technical simulation game about designing circuits and writing code, with an incomplete manual, steep difficulty, and a median playtime of about 31 hours.

2016-11-17

Science fiction
Puzzle
Bird view / Isometric
Indie
Simulator

Retro Gadgets

A sandbox for building and programming retro-style gadgets with logic puzzles and automation, best suited to players who already know Lua.

2022-11-30

First person
Puzzle
Indie
Simulator
Text
Sandbox

EmuDevz

A single-player programming sim that walks you through building a JavaScript emulator with unit tests, 6502 assembly, and homebrew games.

2026-01-16

Indie
Simulator

TIS-100

An abstract single-player assembly-language programming puzzle game about repairing a fictional computer by rewriting corrupted code, with hard optimization challenges, a level editor, and reviewer playtimes typically exceeding ten hours.

2015-07-20

Puzzle
Indie
Simulator
Text

⟨Unknown_Terminal⟩

A compact retro terminal mystery where you explore a simulated IBM PS/2 and decode corrupted logs to uncover who lurks behind the blinking prompt.

2026-02-23

Indie
Simulator

DECRYPTO Project

A compact single-player dystopian word-puzzle game about deciphering encrypted texts to earn upgrades and shape a story-rich narrative, praised for engaging puzzles that teach cryptography.

2025-11-19

First person
Puzzle
Indie
Simulator
Text
Mystery
Point-and-click

Mnemonimov

A short Early Access fantasy-console sim focused on assembly programming, where you tinker with low-level code to learn how computers work.

2026-05-28

Network Notation

A compact single-player strategy/simulation puzzle about an AI infiltrating abstract networks, upgrading itself, and uncovering its purpose.

2026-04-24

Puzzle
Strategy
Bird view / Isometric
Indie
Simulator

1000-BIT

A compact but steep open-ended programming puzzle game that operates entirely on binary logic.

2025-10-05

Puzzle
Simulator

Silicon Zeroes