in the original cave story, you either know what you're trading it for or it's very obvious that you're taking the easy route. also, giving your main gun to a girl for an indefinite time.. you'd usually expect something good back. not something that isn't even worth it as dragonboots said it is..
curly doesn't even really hint at the thought that she might be holding onto it for a long time. maybe something like "can i borrow that gun for a while?" would be better.
the airlock case is even worse at the moment, but you seem to be fixing that. i don't know what you're planning, but perhaps an empty weapon rack and some damaged environment suit would be a nice hint at what's in the two compartments.
geh. can't really do better until i know if this gets close.. i don't really like it that much though, it's not nearly as good as the droll or red demon it'd replace.. the bright colours are simply to show the different parts. i.. really can't get it to look like, well, not-a-toy without putting in some serious effort that would be wasted if i have anything left to alter. the walker-robot design makes it look like a plaything anyway. it'll be hard to make a serious enemy thing out of this. so.. if you have any suggestions about the shape of the legs or whatever, feel free to tell me all about it. anything's better than making this monstrosity come to life, i'm not frankenstein