Adult sex games
Early eroge usually had simplistic stories and extreme sexual content, such as rape.
These factors often led to widespread condemnation from the Japanese media.
Despite heavy piracy the game still sold 25,000 copies, roughly equivalent to 25% of the number of Apple II's sold at the time.
In a 1981 article in Time Magazine, On-Line reported that they were making a version of the game for straight women, though this never materialized.
Erotic games made the PC-8801 popular, but customers quickly tired of paying 8800 yen () for such simple games. ASCII's Chaos Angels, a role-playing eroge, inspired titles such as Dragon Knight by Elf and Rance by Alice Soft.
In 1983, a company called Entertainment Enterprises, Ltd., released an arcade game called Swinging Singles which was mostly meant for bars, adult stores and sex clubs.
While many video games have used scantily clad images or characters to sell or enhance games, some go further, using sex acts or nudity as a character motivation, in-game reward, or simply as a gameplay element.1983 saw the release of another Atari 2600 game, X-Man.X-man features the player as a nude man working through a maze toward a pink door in the center, past antagonistic crabs, teeth and scissors.The game requires the player to drive through the city maze gathering dots like Pac-Man before reaching a brothel where the player is required to fight off venereal disease and collect keys to unlock sex scenes.Once the scenes are unlocked the top door is open where the player can go and engage in a controllable sex scene letting the player have intercourse with a woman until the player reaches orgasm and the game is over.