: The "strip" prefix indicates it is an erotic-themed doujin game where victories against the ghost result in visual changes to the characters.
The original .swf file is dead. However, a fan group called "Poltergeist Interactive" rebuilt the game using Ruffle (an open-source Flash emulator). The is not a single URL, but a combination of a specific emulator configuration and a save-state file.
Stylized pixel art featuring various ghostly characters.
: Players report it can take roughly an hour to see all character screens and reach the final "sister" or end-game content.