Community
Dev Log 9 - Nine Games Inside an Operating System, and You Can Read Their Source
5YN-OS Demo · published
A roguelike, an idle guild sim, an autobattler, tower defence, poker, a logic simulator, a desktop pet, noughts and crosses, and a Doom-like. Eight of the nine are written in the operating system's own language, and they are sitting in your file system right now.
Read the full blog post here: https://5yn-os.com/blog/blog-post-28-08-2026
More from 5YN-OS Demo
Other announcements
Dev Log 10 - Build a Desktop Widget in FantasyLangThree lines get a chromeless window running on your desktop. A dozen more make it visible. About a hundred make it a registered widget that draws, remembers where you put it, has a right-click menu, and can be published to the Workshop. Read Dev Log 10 in full here:Dev Log 8 - Make It Yours: Themes, Widgets and LayoutsRead the full dev blog here:Dev Log 7 - Killing the Start Menu: Designing the Spider WebA Start menu is a list pretending to be a place. I wanted an actual place - so the launcher in 5YN-OS is a web you navigate outward from a centre, and the window manager underneath it had to be good enough to justify the decision. Read the full blog post here: