Example: a generated valley with braided streams and several carved terraces suggests a civilization that farmed the floodplain, now abandoned. Designers could place a single ruined mill and suddenly the environment implied an economy once dependent on that river. The interface favored composers over coders. A visual “narrative palette” let teams paint motifs onto a canvas: drop a “fortress” brush to increase defensive geometry in a region, smear “desolation” to multiply collapsed structures, or stamp “market” to spawn clustered stalls and NPC paths. MapGen v22 output was exported as layered JSON: geometry, semantic tags, simulated history. Artists, writers, and level designers could iterate separately but remain in sync with the same generative story.