A dating sim where you play as Wario to scam some chumps (including Mario, Luigi, Waluigi and Bowser) out of all their money by making them fall in love with you.Of course, if you should fall for them, you can choose to give in to your romantic desires as well.Dream Daddy: A Dad Dating Simulator is a game where you play as a Dad and your goal is to meet and romance other hot Dads. You and your daughter have just moved into the sleepy seaside town of Maple Bay only to discover that everyone in your neighborhood is a single, dateable Dad! Dating sims are very similar in that the reader chooses from on-screen options but the purpose is to develop skills and personal relationships with in-game characters.
4X is a genre of strategy-based video and board games in which players control an empire and "e Xplore, e Xpand, e Xploit, and e Xterminate".
To be clear, they originated in Japan and, while many visual novels or dating sims are erotic (or at least sexy) in nature, it's not true that all dating sims have erotic content.
It's really a shame that people automatically label these games as "adult only" because, in many cases, is not true.
The term was coined by Alan Emrich in his September 1993 preview of Master of Orion for Computer Gaming World.
Since then, others have adopted the term to describe games of similar scope and design.