The performance gain comes from:
[1] Perlin, K. (2002). Improving noise. ACM Transactions on Graphics . [2] Map Gen development blog (2025). Streaming Hydrological Routing in Version 2.2 . Internal technical note. [3] Wright, E. & Chen, J. (2026). Benchmarking procedural terrain systems. Journal of PCG , 14(2), 45–67. [4] Wildlands 2 technical white paper (2026). World building with Map Gen 2.2 . Nivalis Studios. map gen 2.2
To understand the leap, we must first look back. Previous versions of Map Gen (2.0 and 2.1) revolutionized indie development by offering realistic biome distribution and erosion simulation. However, they suffered from three persistent flaws: , river routing logic errors , and static zoom degradation . The performance gain comes from: [1] Perlin, K
: Since MapGen 2.2 was designed for older versions of HOI4 (around 1.5.x), you will likely need to manually copy and update certain files (like weatherpositions.txt ACM Transactions on Graphics
If you want, I can:
More plates mean more jagged mountain ranges.