Part One: Reach the above position from the starting position
Part Two: Find the fastest way to get to this position.
Answering part one will get you an upvote, answering part two gets the checkmark!
UPDATE: I got it down to
There's still some room for improvement, but it's the shortest one so far. Here's the link
16 moves if counted normally: 31 moves from standard set-up position into the layout in question (14 pawns to destination + 2 pawns outside, 12 other piece outside + 2 queens to position + 1 king out of check). Which is move each side both pawn except 2 (1 of each side to the outside of the board) and all other pieces except king and queen outside the board.
Credit to @Mukyuu for making the original game. I managed to get it down by half a move.