Official Minecraft Halloween 2015 Mash Up Pack Trailer is an Blocks Game for Xbox One. Minecraft Halloween Mash-up is available October 23, 2015. br br Boo! It´s that time of year when ghouls and ghosts haunt your Minecraft creations. The Halloween Mash-up pack includes 43 terrifying character skins - vampires, mad scientists and other creepy crawlers. You´ll find a brand new world full of scary blocks and an eerie soundtrack that will make your heart skip a beat. br So don´t be afraid and build your spooky worlds.