The game uses a complex "Favorability" system. Relationships evolve through stages like "Curious," "Interested," and "I can only see you," which are unlocked by specific conversations and activities.
Unlike previous titles that focused almost exclusively on character creation, Room Girl functions more like an "eroge" version of The Sims . Room Girl [R1.3]
This version features updated "Studio" plugins, which allow players to create custom dioramas and animations outside the main life-simulation mode. The game uses a complex "Favorability" system