Steel Empire

HISTORY

Steel Empire (originally released as Koutetsu Teikoku (鋼鉄帝国, lit. "Empire of Steel") in Japan, and otherwise known in various English materials as The Steel Empire or Empire of Steel) is a horizontally scrolling shooter released on the Sega Genesis in 1992. Versions for the Game Boy Advance and Nintendo 3DS were released in 2004 and 2014, respectively. The game was released on the Nintendo Switch at the end of July 2025.

Steel Empire is notable among shoot 'em ups for its unique aesthetic designs. Mostly low-tech in nature, with it being set in a late-19th century alternate world, the game's aircraft, weaponry, power-ups, environments, enemies and bosses are heavily stylized. Their design added strong steampunk elements to the style, themes and visuals of the game. Steam power, propeller-based aircraft, biplanes, dirigibles and heavily-armored steam trains with giant cannons play large roles as the game's protagonists and opponents.

The original leaked Japanese arcade beta version (now rare, with its source code believed lost), the Mega Drive version and the GBA remake were all critically well received.

Development and release

Japan

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 Laputa: Castle in the Sky and Future Boy Conan. Explaining on why he wanted to do a steampunk-themed game, Satake said:

"The image I had for the world was one of outrageous and nonsensical science. People [in the late 19th century] didn't understand the limitations of the steam engine at all, and they thought that the steam engine could do anything. They wrote many blueprints [for things like] this. My idea for Steel Empire was to bring those designs to life. People back then thought there was an atmosphere in space, and that the Aurora Borealis actually existed in space, too. So I tried to express that in the last stage by having an atmosphere in the background, and I told the designer how people back then drew images of space with mist. Using that as our image, we designed the graphics of the final stage to have a colorful, Aurora-like mist even though its in space. So even in space the propellers on the planes are spinning, and since there's an atmosphere, there's smoke too."

The West

Originally, the Western versions of the Sega Genesis game were going to be published by Sage's Creation, titled as Battlewings. Instead, they were published by Flying Edge and Cube Corporation as Steel Empire (with minor variantions across PAL territories) in 1992. The in-game credits of the Western versions specify that the inspiration of the game came from the 1819 novel Imperio do Aceiro (Empire of Steel) by Caar H. Schitch, but there is no meaningful evidence that this book actually exists outside the game's universe.

Sega contracted well known cover artist Marc Ericksen for Steel Empire's retro steam era look, closely following the inventive creations battling onscreen (see above right), and requested him to specifically design and execute the battle scarred steel plate title block logo, which appeared as both the "Steel Empire" and "Empire of Steel" iterations.

Plot

Setting

The game has a steampunk-inspired setting, during the year "18XX" of the "Age of Steel", "an age almost familiar". In the earlier game materials, this is explained as being the 19th century of an alternate history. However, in some later game materials, it is explained alternatively as a possible future scenario in which the world has been depleted of resources, forcing most of the world back to steam power. Most materials, including the original Japanese versions, hold the alternate 19th century explanation to be the case. In this "Age of Steel", mammoth, floating, steam-powered battleships cruise the skies and gigantic armored locomotives carry cannons the size of railway cars. A military coup has occurred in the world's largest city, Damd ("Dama" in Asian markets) and power-hungry dictator, industrialist and robber baron General Styron ("Sauron" in Asian versions) rules by brute force and military might, his Goliath-like defenses carrying armor-piercing missiles and lethal aerial mines. With none strong enough to stand up against him, Styron sets his vision of steel and steam on the whole planet.

The Republic of Silverhead and the Motorhead Empire

General Styron's Steel Empire are commonly called the Motorheads by their subjects and enemies alike, due to the Steel Empire's emblem of a blue-grey, steel, mustachioed colossal head, sometimes emitting steam. Although the Motorheads have conquered and enslaved most of the world, one small independent republic remains free and defiant. This is the Republic of Silverhead, placed far from the reach of the Steel Empire, centered in Antarctica, and where some of the greatest minds in the world have fled from Styron's tyranny. Silverhead is impressively ahead of its time in technology however; whereas the Motorheads still rely on steam power, dynamite and coal burning with almost religious zeal, Silverhead has perfected sustainable energy, geothermal energy, and even cold fusion. If the wider world were to also harness the power of lightning and the atom, it could pose a threat to Styron's coal and steam-based status quo, and so the dictator wants all "abominations of nature" ended.

Silverhead have a small yet elite air force, whose symbol is a silver eagle with a star between its wings. Although dwarfed in number by the legions of Motorheads, Silverheads are renowned for both the advanced technology of their aircraft and the aerial skill of their pilots. The Silverhead air force is also feared for the "Imamio Thunder"—known as the "Lightning Bomb" to Silverhead's enemies—which is more powerful than anything in the Motorheads' arsenal. Silverhead are the last hope for freedom, and they alone have the will, and the weapons, to bring about the Motorheads' downfall.

Mission questline

The player is a Silverhead pilot, launched from their titanic-sized, airborne, propelled aircraft carrier "Rheinhalt", and has a choice of two different class of aircraft for each mission. The game begins with the Motorhead Empire attacking the mining city of Rahl, an ally of Silverhead in southern Patagonia, and the player is tasked with retaking it. Further missions will take the player into the vast subterranean (and partially submerged) caverns of Liedengel, where the Motorhead are gathering a surprise attack force against Silverhead; Sky District Zektor; and the foremost defenses of the Steel Empire—the heavily fortified Gardandi Islands, which lay in front of Damd, the Motorheads' capital city. The final assault occurs in the heart of the Steel Empire, the steampunk metropolis of Damd, and within the cavernous Germburn Fortress. Finally, after General Styron has launched himself into orbit via a space cannon, the player must pursue him and his flagship past the atmosphere and into space. Styron's flagship unfurls into a solar sail-powered, flaming leviathan, and the last battle takes place over the moon. If the player is victorious, Styron's ship is shown crashing to the moon, the credits play, and "The End" shows over a bleak lunar surface beneath the glowing Earth. The player's Silverhead craft is nowhere to be seen, however, leaving the fate of the protagonist unconcluded.

Gameplay

General

Steel Empire is a multi-directional scrolling shooter. Gameplay is linear in that the player is restricted to flying in only one direction, and the player will meet enemies in a predesignated order. However, unlike many scrolling shooters, Steel Empire allows the player to fire from behind as well as ahead. Players are given a certain number of lives and continues, with higher difficulty levels granting more continues but with fewer lives per continue. If the player's ship's health is completely depleted a life is subtracted, with play continuing normally. If all lives are lost (including the "zeroeth" life) the player must use a continue, which will restart at either the beginning or midpoint of a stage depending on how far the player was when they continued; as such, the stages are divided into "A" and "B" sections for purposes of the high score table. Continuing also zeroes the player's score. When all continues are expended, the game is over.…

IN PRINT

Shooting Gameside Vol. 4 2012 Shooting Gameside Vol. 9 2014