Itch.io has democratized this space. A solo developer from Argentina or Spain can now release a fully explicit visual novel in native Spanish and reach thousands of users without a publisher. This has given rise to unique cultural flavors: games set in Latin American universities, using local slang, or parodying telenovelas.
"En español" often means a poor Google Translate job. Many games boast Spanish but have broken grammar, untranslated sex scenes, or mismatched pronouns. Look for "traducción oficial" (official translation) or "revisado por humanos."
(Rol por turnos + escenas H)
While individual titles rotate in popularity, look for groups like "Traducciones de Novelas Visuales"