Microsoft is celebrating Minecraft turning four today on Xbox 360 and Xbox One. The company plans to release a special birthday skin pack for both platforms, featuring Alex and Steve with mob-themed shirts. The skins will be available for free all through the week, starting today.

Xbox Minecraft Skins

If these new skins aren't enough, Microsoft will also be placing all previous birthday skin packs up for grabs simultaneously, perfect for those who happened to miss the previous promotions.