Modular: Adventuring in Dangerous Terrain – Frog God Games’ Perilous Vistas
Back in 3rd Edition D&D, there were five supplements that fell under the ‘Environmental Series’ category (I’d argue it should only be the first three, but I don’t make that decision): Sandstorm: Mastering the Perils of Fire & Sand (Bruce R. Cordell) Frostburn: Mastering the Perils of Ice & Snow (Wolfgang Baur) Stormwrack: Mastering the Perils of Wind and Wave (Richard Baker) Dungeonscape: An Essential Guide to Dungeon Adventuring (Jason Buhlman) Cityscape: A Guidebook to Urban Planning (Ari Marmell &…