Hacker News with Generative AI: Level Design

The Level Design Book (leveldesignbook.com)
The Level Design Book gathers level design knowledge for 3D video games in an approachable, up-to-date, and critical way. It is for designers of all experience levels and game engines.
Space is not a wall: toward a less architectural level design (debacle.us)
People want to do level design. They grow up playing games like Minecraft, Roblox, Fortnite — all 3D games with 3D worlds. And to create 3D worlds, supposedly you need this thing called “level design.” Then when you search YouTube, you'll be told that level design is about implanting secret lines that "guide the player" into walking down hallways. Such is the power of ARCHITECTURE!
Ogmo – free, open source, 2D level editor (ogmo-editor-3.github.io)
OGMO Editor is a free, open source, project oriented level editor made for indie game developers by indie game developers.