3DS Etrian Odyssey X Japanese box art 3DS dungeon RPG due out on August 2 in Japan. Atlus has released the Japanese box art for Etrian Odyssey X, which was illustrated by series character designer Yuji Himukai. If you missed it, catch our detailed coverage of the game here, here, and here.Etrian Odyssey X is due out for 3DS on August 2 in Japan.