A gradual influence system that lets you build relationship status with whoever you're trying to get involved with in the game. Ideally, the system would take into account every decision you make, and adjust the NPC's disposition towards you.
Definitely not easy to implement, and it takes a lot of planning, but adds tremendous amounts of immersion to a game.
Definitely not easy to implement, and it takes a lot of planning, but adds tremendous amounts of immersion to a game.