Today the industry has grown, with most publishers making releases for Windows, including download only files.
Some of the least pornographic and most successful also branching off into the console market.
These came to national attention in Japan in 1986 with the release by d B-soft of 177, a game where the player takes the role of a rapist.
(The game's title originates from the number of the Japanese law criminalizing rape.) 177 was not actually the first game designed around this premise, but it was unusually explicit.
In November 1991 there was an incident where a middle-schooler shoplifted an adult bishōjo game Saori: the House of Beautiful Girls, resulting in increased police scrutiny for makers and retailers.