Publisher: TGL
Steam-Heart’s is a 1994 vertically scrolling shooter and eroge developed by Giga and published by TGL. The story follows two siblings as they fight off a virus that is possessing the people in their world. The game features shooter gameplay paired with ample erotic cutscenes with scantily clad women. Steam-Heart’s was initially released on PC-98 personal computers on March 15, 1994; a version for the PC Engine Super CD-ROM² System was released in 1996 followed by another for the Sega Saturn in 1998, all of which were for the Japanese market. Critics generally found the gameplay to be average, with the erotic content being the sole distinguishing feature.
The game takes place in the far future, on an alien planet dominated by seven elf-like or catgirl princesses that have fallen under the spell of a unique virus that has driven them mad and threatens to destroy the planet if all the rulers declare all-out war.
Only Blondia Varady (nicknamed “Blow”) and his sister Fallandia have been spared from the disease and must pilot their fighter ships in order to penetrate deep into the domain of each princess, destroy their war machines, and administer the antidote. Fortunately for Blow, the antidote has been synthesized into his reproductive organ, so that means there is only one way to inoculate the girls….