未来少年コナン
"Koutetsu Teikoku" was a Japanese title developed by HOT・B, under lead game designer Yoshinori Satake. Satake originally began development of an arcade game in the late 1980s based around themes of steampunk aviation, inspired by anime such as "" and "Future Boy Conan". Explaining on why he wanted to do a steampunk-themed game, Satake said: