Some games involved elements of force and brutality.
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 gameplay involves conversing with a selection of girls, attempting to increase their internal "love meter" through correct choices of dialogue.
Some original-English dating sims include Sim Girls, In a typical dating sim, the player controls a male avatar surrounded by female characters.
The degree of sexual content varies, but may often include intercourse.
Sexually explicit dating sims may fall into the category of H Game or Eroge.
These games often feature a day-night cycle with a time scheduling system that provides context and relevance to character interactions, allowing players to choose when and if to interact with certain characters, which in turn influences their responses during later conversations.
While bishōjo games make up the bulk of dating sims, other types of games exist.