This is a paid asset, but now you can download Lowpoly Style Ultra Pack Free.
Detail this asset from Unity Store: Original Link
Lowpoly Style Ultra Pack v1.2 (Latest version)
“If possible, please buy the package to support the developer”
URP / HDRP Support: Use these packages (free for anybody with access to the Ultra Pack): HDRP and URP
Already own a LPS pack? Uprage to this pack at a discounted price!
Six packs in a single package! Asia, Desert, Woodlands ,Winter, Forest and Tropical Islands at an unbeatable price! Build your own environments with easy drag’n’drop: all assets come with a fitting collider and prefabs.
Or use the 6 vast, prebuilt demoscenes that are included (see the screenshots).
Performance: All 6 environments share 1 material and 1 texture, so you even can mix them and still batch all drawcalls together.
Contains the following Lowpoly Series Packs:
Lowpoly Style Asia
Lowpoly Style Desert
Lowpoly Style Alpine Woodlands
Lowpoly Style Artic Tundra
Lowpoly Style Forest Pack
Lowpoly Style Tropical Island