Map Gen 2.2 May 2026

Thinking of building a complete overhaul or a custom world for HOI4? While newer tools exist, MapGen 2.2

Users could import basic shapes for land and sea to generate the core map structure. Automate province creation: map gen 2.2

MapGen 2.2 for Hearts of Iron IV (HOI4) streamlines custom world map creation via a user-friendly interface that directly exports mod templates Steam Community Thinking of building a complete overhaul or a

References

[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. Historical overlay packs (Medieval

The benefits of Map Gen 2.2 are numerous, including:

  • Historical overlay packs (Medieval, Roman, Feudal Japan)
  • Alien biome packs (Ammonia worlds, Cryogenic tundras, Silicate storms)
  • Realistic weather layer (Generates wind roses and ocean currents based on planetary rotation)