Lol same as ShampooBandit, I spent all my time waffling between game styles, ended up building out a 2d and 3d engine from scratch with nothing in it, and wasting a ton of time on [bad] art assets that I barely took advantage of.
I think next year I'll team up with someone like Beanie (OP) so that we can use our skills to the fullest without having to spend time doing the things we're bad at.
3 person teams really seem to be the way to do it, I'll just have to set up a team github to sync up!