Look for a level.dat file, which confirms it's a Minecraft world, and a resources.zip or datapacks folder, which usually contains the unique "features" and custom mechanics.
: It utilizes the dynamic nature of Minecraft to surprise the player. 3. The "Easter Egg" Room BB_BestDayEver.zip
If you are looking for an "interesting feature" to explore within this specific world, here are a few ideas based on common tropes found in these types of custom Minecraft maps: 1. The "Hidden Lore" Scavenger Hunt Look for a level
Some creators use complex Redstone or Command Blocks to change the map based on the in-game time. Look for a level.dat file