As with yaoi manga, the major market is assumed to be female.Games aimed at a homosexual male audience may be referred to as bara.However, there are also many other gameplay genres represented within eroge, such as role-playing games, mahjong games, or puzzle games.
There is no set definition for the gameplay of eroge, except that they all include explicit sexual content.
This most often occurs as hentai scenes of the player character having a sexual encounter with other characters.
In 2006, JAST USA announced they would be releasing Enzai as Enzai: Falsely Accused, the first license of a BL game in English translation.
Some fan communities have criticized the choice of such a dark and unromantic game as the US market's first exposure to the genre.
A 2006 breakdown of the Japanese commercial BL market estimated it grosses approximately 12 billion yen annually, with video games generating 160 million yen per month.
Very few BL games have been officially translated into English.
Games also started to appear on Windows as it grew in popularity. In it, before any eroticism, the user has to first win the affection of one of a number of female characters, making the story into an interactive romance novel. Soon afterwards, the video game Otogirisou on the Super Famicom attracted the attention of many Japanese gamers.
Otogirisou was a standard adventure game but had multiple endings. In 1996, the new software publisher Leaf expanded on this idea, calling it a visual novel and releasing their first successful game, Shizuku, a horror story starring a rapist high school student, with very highly reviewed writing and music. However, in 1997, they released To Heart, a sweetly sentimental story of high school love that became one of the most famous and trendsetting eroge ever.
have their origins in the early 1980s, when Japanese companies introduced their own brands of microcomputer to compete with those of the United States.
Competing systems included the Sharp X1, Fujitsu FM-7, MSX, and NEC PC-8801.
Most eroge games, a fairly large library, found its way on the NEC PC-98 platform.