Infinity Missions

[Akuno Ayanokoji]

So, I was hoping someone could give me a run down of how these work? I only have a gist of the concept of them (better rates, etc).

Also, when I go the option to make a new mission (I think it's the one), the game only lets me pick one and the rest are greyed out (the one in question is one I already did). Do I have to complete the others once in any rank or something like that?

[Kurosu]

I think there's a guide somewhere that explains this, prolly Devi's.
It's not really that easy to make the IMs you want though, I'd just try to get some good from people, there are a few really good ones going around.

You can also download some free of charge from PSN, most of them have decent modifiers and sometimes unique bosses that you normally can't get in IMs.