itch.io

you can get dustins scene by asking him what he does for fun

i believe its the fish you encounter after leaving the lake island the first time

I believe that the ??? log is meant for this fish you encounter after leaving Augustus's island, for penny and mabels date you need you need to do scarlets fertilizer quest 

you dont need to beat it, you just need to play it once, then open gossip and ask "what do you do for fun" but I think you have to get past the ruin stage