This piece caught my eye because it looks like something I'd see in a video game. However, it is a painting. The texture seems palpable.
Tileable Hand-Painted Textures set in a cartoon / Blizzard's World of Warcraft style. I did these for my Warcraft IV fanart diorama: https://www.artstation.com/artwork/blizzard-s-warcraft-iv-fanart Full Photoshop.
Yet even more hand painted textures... - Polycount Forum
Hand Painted Textures - Seeking Feedback and Crits - Page 2 - Polycount Forum