Steamboy

Released in 2004 as a standalone film from Studio 4°C and Sunrise, this production ranks among the most expensive anime films of its era. Set in an alternative Victorian past, it follows a young inventor caught between competing factions who all want control of his family's steam technology. The coming-of-age core pits idealism against militarism as air combat, collateral damage, and political maneuvering escalate across its runtime. With a score of 7.3, the film is frequently discussed for its hand-drawn mechanical animation — intricate gears, pipes, and steam-driven contraptions rendered with a level of detail that gives every machine tangible weight. The drama centers on a boy forced to reckon with how his inventions can be weaponized, set against a backdrop drawing on both British and American interests. Action-packed and thematically earnest, it works as both spectacle and a meditation on scientific responsibility, all in a single sitting.