also: ギャルゲ
noun
galge; bishōjo game
Abbreviation of ギャルゲーム. Refers to a genre of video games focused on interactions with attractive female characters, typically in a dating sim or visual novel style. Used primarily in otaku and gaming communities.
最近のギャルゲーはストーリーが深いものが多い。
Many recent galge have deep stories.
彼は休日はずっとギャルゲーをプレイしている。
He spends his days off playing galge the whole time.
Refers specifically to adult/erotic games; ギャルゲー may or may not include adult content.
Abbreviation of ギャルゲーム, from English 'gal' + 'game'. The term emerged in Japanese otaku culture to describe dating sims and visual novels featuring female characters.