Canyon valley fantasy by aqsa_g: https://sketchfab.com/3d-models/canyon-valley-fantasy-1c63b9f1d28843258a42f9c6c34f6d20
Skybox by Zachery “skiingpenguins” Slocum: https://opengameart.org/content/skiingpenguins-skybox-pack
Animals by Quaternius: https://quaternius.com/packs/medievalvillage.html
Old Brick Bridge by 3dhdscan: https://sketchfab.com/3d-models/old-brick-bridge-5f9a3716186142c8809e14f796f751fa
Troll by Bindestrek: https://sketchfab.com/3d-models/troll-96ed4cd98544433cb4cda8635940804b
Miniatures (untextured) by Miguel Zavala : https://www.shapeways.com/shops/dmworkshop
River in the forest map by The MAD Cartographer: https://www.patreon.com/themadcartographer
Some 2d textures\tokens by Forgotten Adventures: https://www.forgotten-adventures.net/
The Hacienda by afternoonmaps: https://www.patreon.com/afternoonmaps
"Zombie" (https://skfb.ly/6BKSF) by pxltiger
"Day of the Dead Environment" (https://skfb.ly/BxIF) by Jeff de Guzman

Airship
Map: Cze & Peku https://www.czepeku.com/
Models:
https://sketchfab.com/3d-models/trash-airship-4190bb9953e3492ba196110836081229
https://sketchfab.com/3d-models/dragon-flying-78f809b98bbe426e94d4024dc894b206
https://sketchfab.com/3d-models/armor-suit-retopo-for-ray-ii-pose-ver-d2aafedec9e747c4be4d82fbd7729102
https://sketchfab.com/3d-models/nierautomata-2b-cec89dce88cf4b3082c73c07ab5613e7
https://sketchfab.com/3d-models/ruby-rose-2270ee59d38e409491a76451f6c6ef80
https://sketchfab.com/3d-models/warrior-toy-a01f57189100463cbd9c75a127609e79

Cave
Map: Moonlight maps https://www.moonlight-maps.com/
Models (art in this case):
https://fayforest.sakura.ne.jp/resource.html
https://wataokiba.net/2019/10/08/josei15/
https://booth.pm/ja/items/1241957
https://sketchfab.com/3d-models/model-63a-jumping-spider-resting-pose-debe664635724078aaacd05e2dbf15f6

Forest
Map: Cze & Peku https://www.czepeku.com/
Models:
https://sketchfab.com/3d-models/armor-suit-retopo-for-ray-ii-pose-ver-d2aafedec9e747c4be4d82fbd7729102
https://sketchfab.com/3d-models/nierautomata-2b-cec89dce88cf4b3082c73c07ab5613e7
https://sketchfab.com/3d-models/ruby-rose-2270ee59d38e409491a76451f6c6ef80
https://sketchfab.com/3d-models/diablo-ii-wendigo-9420e771b188410ab2767f9f3bf97243