1 0.00 Super Mario Bros. Category Extensions All Underground Rooms (No Reset) Best Splits 1-1 (1 Room) 33.22 1-2 (1 Room) (2 Warp) 75.081 2-1 (1 Room) 54.053 2-2 73.291 2-3 182.057 2-4 22.422 3-1 (1 Room) 107.831 3-2 58.721 3-3 50.73 3-4 44.961 4-1 (1 Room) 77.652 4-2 (5 Warp) 115.06 5-1 (1 Room) 104.104 5-2 (1 Room) 106.1 5-3 77.104 5-4 74.825 6-1 44.399 6-2 (2 Rooms) 105.685 6-3 216.483 6-4 0.523 7-1 (1 Room) 1.383 7-2 99.921 7-3 5.103 7-4 254.746 8-1 61.336 8-2 (1 Room) 75.568