Mapgen V2.2 Jun 2026

. This prevents the software from creating slight color variations that the game would incorrectly treat as new provinces. Size Constraints : Your heightmap "piece" must have a height that is a multiple of 64 (e.g., standard map size is 5632x2048). Template Resources : Community members often share "resource maps" (like the Russia Map Resource

While earlier versions focused primarily on provinces, v2.2 can generate default state and strategic region files, though users often need to manually refine manpower and industry. mapgen v2.2

Multi-octave Perlin and Simplex noise with customizable blending allows for richer, more natural terrain features—from rolling hills to jagged mountain ranges. Template Resources : Community members often share "resource

v2.2 is significantly faster for terrain generation but uses more memory for its multilayer output. This is a fair trade for the added features. This is a fair trade for the added features

Then came the dreaded biome bleed: tundra creeping into swamps, jungles spawning next to snow. Version 2.1 had no way to enforce biome transition rules.

Here is a blog post detailing the update.

For developers who care about the numbers, MapGen v2.2 brings a rewritten . The system now uses a hybrid of Simplex (for primary landmass shapes) and Domain-warped Perlin (for micro-terrain). But the real magic lies in the historical simulation queue .