About
Dive into a sandbox operating system simulator and learn to code with FantasyLang. Personalise your desktop, build and tweak apps, uncover hidden secrets, and venture into the darknet. Shape the system however you like. Your OS, your rules.
Pre-release · Steam · App 4695620
5YN-OS
5 Years Now
Genres
CasualIndieSimulationEarly Access
CasualIndieSimulationEarly Accessview more (+4)
Categories
Single-playerSteam AchievementsSteam WorkshopColor AlternativesCustom Volume ControlsPlayable without Timed InputSave AnytimeSteam CloudFamily Sharing
Single-playerSteam AchievementsSteam WorkshopColor AlternativesCustom Volume ControlsPlayable without Timed InputSave AnytimeSteam CloudFamily Sharingview more (+9)
Player tags
Early AccessSimulationSandboxProgrammingCasualGame DevelopmentEducationHackingSoftwareTutorialModdableLogicSingleplayerExplorationTypingImmersive SimTime ManagementText-BasedAutomationBuilding
Early AccessSimulationSandboxProgrammingCasualGame DevelopmentEducationHackingSoftwareTutorialModdableLogicSingleplayerExplorationTypingImmersive SimTime ManagementText-BasedAutomationBuildingview more (+20)
Followers
6
+1 · 1d
Wishlists est
126
Price
—
Release
To be announced
tba
7 snapshots· cumulative
+2 (+50.0%)
DayFollowersΔΔ %WishlistsΔΔ %
Jun 26, 20266+1+20.0%126+20+18.9%
Jun 25, 2026500.0%10600.0%
Jun 24, 20265+1+25.0%106+20+23.3%
Jun 23, 2026400.0%8600.0%
Jun 22, 2026400.0%8600.0%
Jun 21, 2026400.0%8600.0%
Jun 20, 20264——86——
Tracked since Jun 18, 2026·Details 9h ago·Followers 6h ago