The dark union event has ended. Here's some data:
highscore expert 1, rank 1432
highscore ultimate 1, rank 967
highscore pp 24, rank 7671
highscore pp 377, rank 7605
highscore pp 2109, rank 7331
highscore pp 3309, rank 6980
highscore pp 4836, rank 6762
highscore pp 2598576, rank 1000
highscore pp 9923228, rank 349