About
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!
Pre-release · Steam · App 4849330
SYSCALL: RING ZERO
Chilling Moose Games · published by Chilling Moose Games, This Is Neat
Genres
CasualIndieSimulationStrategy
CasualIndieSimulationStrategyview more (+4)
Categories
Single-playerSteam AchievementsFull controller supportAdjustable Text SizeCamera ComfortColor AlternativesCustom Volume ControlsAdjustable DifficultyKeyboard Only OptionMouse Only OptionPlayable without Timed InputSave AnytimeSubtitle OptionsSteam CloudFamily Sharing
Single-playerSteam AchievementsFull controller supportAdjustable Text SizeCamera ComfortColor AlternativesCustom Volume ControlsAdjustable DifficultyKeyboard Only OptionMouse Only OptionPlayable without Timed InputSave AnytimeSubtitle OptionsSteam CloudFamily Sharingview more (+15)
Player tags
ProgrammingLogic1990'sHackingStrategyPuzzleSandboxCasualSimulationAbstractMinimalistDetectiveInvestigationScienceText-BasedCyberpunkIndieControllerPixel Graphics1980s
ProgrammingLogic1990'sHackingStrategyPuzzleSandboxCasualSimulationAbstractMinimalistDetectiveInvestigationScienceText-BasedCyberpunkIndieControllerPixel Graphics1980sview more (+20)
Followers
13
+1 · 1d
Wishlists est
193
Price
—
Release
Jul 3, 2026
tomorrow
12 snapshots· cumulative
+9 (+300.0%)
DayFollowersΔΔ %WishlistsΔΔ %
Jul 1, 202612+1+9.1%178+14+8.5%
Jun 30, 20261100.0%16400.0%
Jun 29, 202611+2+22.2%164+28+20.6%
Jun 28, 20269+1+12.5%136+15+12.4%
Jun 27, 20268+1+14.3%121+14+13.1%
Jun 26, 20267+1+16.7%107+15+16.3%
Jun 25, 2026600.0%9200.0%
Jun 24, 2026600.0%9200.0%
Jun 23, 20266+1+20.0%92+14+17.9%
Jun 22, 20265+2+66.7%78+30+62.5%
Jun 21, 2026300.0%48-22-31.4%
Jun 20, 20263——70——
Tracked since Jun 20, 2026·Details 1d ago·Followers 11m ago