For the festive season 2020, Mojang promoted the Striding Hero map by Mithey. It’s an adventure mode map where you play as a Strider stranded in the cold overworld.
Mithey’s Patreon: https://www.patreon.com/Mithey
Read More about the Map: https://www.minecraft.net/en-us/article/community-celebration-farm-life-and-striding-hero-maps
Download the Map: https://www.minecraft.net/en-us/minecraft-java-community-celebration