Ok, i have tryed lot of things. (PS4 for me...remember)
To get "no preparation" : you have to wait until all objetives are marked in the top right corner of the screen, then leave the initial room without picking anything.
Gatherer: you have to take A LOT of resources, so its very difficult in combination with -no preparation-
Ah...and i have a surprise for you Hicks...i know another multipler :-) I will pm you