Arthur could have his own game.
I've always wondered what Curly Brace's story could be like as well. And I mean Curly Brace in Cave Story, not Curly Story.
Falling in Santa's house deathtrap out of curiosity (I still wonder why Santa built a deathtrap in his home..)
The deserted house sandcroc (What is that crocodile doing in a house in the first place..)
Getting killed by one of the green missile things after I finally defeated Monster X,
Core's...