OptiFine or ETF are required for the biome-dependent creeper textures to display in-game!
This resource pack gives creepers a unique texture depending on which biome/Y level it spawns to make it camouflage better with the environment. Creepers now also have a new default texture with a darker shade of green, so that they can camouflage with the standard grass color of plains, forests, etc…
It should be noted that using this resource pack without mods that allow for varied entity textures such as OptiFine and Entity Texture Features will not give creepers unique textures, but it'll also not result in any problems with the creeper texture. It'll simply default to the pack's default green creeper texture for all biomes and Y levels.
