Thinking about an rpg right now. Setting fantasy/medieval fighting deamons etc. So the deamons are the stranger you will meet.
Game mechanic: whenever you fail or win with a critical success you will level up the ability you used. Maybe I will even include boni for caracters you create after your old character dies. So its a bit rougelike. I want to give the players the possibility to influence the story by deciding what deamons you will meet, therby creating a setting that will feel unique in a way. Thinking about making the game GMless, so you can play it together creating the story on the go.
Its still a mess but I will write again as soon as I have made up my mind.