Game App 4849330 Has a demo

SYSCALL: RING ZERO

Chilling Moose Games · published by Chilling Moose Games, This Is Neat · released Jul 3, 2026

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!

Steam store Contact developer Follow Data updated 20h ago · YouTube searched 1d ago

Price

$12.99

US store

Reviews

100%

2 · 2 user reviews

Playing now

—

not sampled yet

24h peak

—

all-time seen —

Followers

—

Steam community hub

Owners (est.)

~60

30 – 96

Revenue (est.)

~$429

gross, lifetime · how

Product info

from Steam's PICS · read 2d ago

Change number: 40,830,966 · seen 2d ago
Public build: 25,808,992 · Oct 8, 2026 (1mo ago)
Operating systems: windows, macos, linux
Architecture: 64-bit
Install size: 63 MB · 51 MB download
Install folder: SYSCALL
Controller support: Full
Metacritic: —
Homepage: chillingmoose.com/syscall
Release state: released
Community: hub · stats

Steam Deck

Unknown

No Deck test results published.

Branches · 1

every build Steam serves for this app

Branch	Build	Updated	Description
public	25,808,992	Oct 8, 2026 · 1mo ago

Build history

every build id we have seen on a branch (history starts with our first read)

Build	Branch	Released	First seen
25,808,992	public	Oct 8, 2026 16:37	3d ago

Depots · 4

content of the public branch

Depot	OS	DLC / shared	Size	Download	Manifest
4849331	windows		19 MB	16 MB	8385194237891218571
4849332	macos		25 MB	18 MB	6662385644726158112
4849333	linux		19 MB	16 MB	4925647318689710566
228989	windows	shared from #228980	—	—

Launch options · 3

Executable	OS	Description
`syscall.exe`	windows
`Syscall.app`	macos
`Syscall-linux64/Syscall`	linux 64-bit

Languages · 1

Language	Interface	Full audio	Subtitles
English	✓	—	✓

Packages · 1

all packages

Sub	Name	Billing	Price
1684452	SYSCALL: RING ZERO	Store or CD key	$12.99

Bundles · 3

all bundles

Bundle	Games	Bundle discount	Price
Chilling Moose	8	-40%	$46.12
SYSCALL Programming	3	-15%	$27.17
Engineering	4	-20%	$33.56

Change numbers

all changes

#40,830,966 · 2d ago

Updates · patch notes

Steam announcements tagged as patch notes, linked to the public build they followed

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No patch notes seen yet for this game.