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5YN-OS DemoNewsDev Log 3 - I Built a Programming Language Inside a Game - Then Let It Escape
Community

Dev Log 3 - I Built a Programming Language Inside a Game - Then Let It Escape

5YN-OS Demo · published 8 Aug 2026, 17:30 UTC

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Developer log 3 discusses the FantasyLang programming language and it's in-game implementation and standalone implementation that lives outside of the game. You can read the blog here: https://5yn-os.com/blog/blog-post-07-08-2026

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Community2 Sep 2026Dev 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:Community29 Aug 2026Dev Log 9 - Nine Games Inside an Operating System, and You Can Read Their SourceA 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:Community26 Aug 2026Dev Log 8 - Make It Yours: Themes, Widgets and LayoutsRead the full dev blog here: