The only thing I can think of this bunch of conversations I had with my dad:
(Convo Version 1.0)
Dad: *most times when he's walk in on me playing anything even REMOTELY fantastical, or with ANY form of combat (even mario, has you jumping on stuff)* Aren't there ANY games about normal non-violent people at all?
(And for a while I had no real answer...until...)
Me: ...Yes there is. There's a whole series. It's called Harvest Moon. You just farm and stuff and-
Dad: Yeah, but I bet no one really plays it!
Me: Actually, there are a lot of fans. Including me!
Dad: ....yeah, but most games aren't like that at all!
Me: *sigh*...
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*years later*
(Convo Version 1.5)
Dad: *sometimes when he'd walk in on me playing anything even REMOTELY violent or fantastical* You know what kind of game they should make? One where you're just a normal super nice guy, doing nice things, and getting more and more liked until he becomes the pope or something.
(And again, for a while I had no real answer...until one time he pulled that argument out and I said
Me: ...Actually...There's a game KINDA a bit like that...Though not exactly the same framework as you're suggesting.
Dad: ...Say what?
Me: It's called Okami. You play the sun goddess of Japan, in the form of a wolf (my dad snorted with disbelief at this. He doesn't seem to have much imagination), and while the main goal of the game is to eliminate all the monsters that are consuming Japan, you get stronger only by performing acts of kindness to your subjects. Like blooming trees, putting offerings in front of shrines, helping people with their daily troubles, an-
Dad: Yeah but I bet no one bought that.
Me: ...Well it didn't do well at first, but it got enough fan support that they made a remake, and it sold well enough for them to make a sequel. It's actually considered one of the great classics of gaming!
Dad: ...Yeah well..it's still not quite what I was suggesting!
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That's pretty much it. Aside from the fact that he finds anything fantastical or even remotely violent pointless and silly, he's a totally amazing dad.