Map Pack: Alien Worlds contains 4 two-sided paper map sheets: Caustic Valley #1, Caustic Valley #2, Crystalline Canyon #1, Crystalline Canyon #2, Fungal Forest #1, Fungal Forest #2, Lunar Station #1, Lunar Station #2, Fractured Glaciers #1, Fractured Glaciers #2, Volcanic Plateau #1, Volcanic Plateau #2.