GraviFire (US)

Achievement Walkthrough + Timestamps below.
Level 20 3:50

Level 1 0:35
Level 2 0:40
Level 3 0:46
Level 4 0:54
Level 5 1:02
Level 6 1:13
Level 7 1:21
Level 8 1:32
Level 9 1:41
Level 10 1:53

Level 11 2:07
Level 12 2:16
Level 13 2:26
Level 14 2:40
Level 15 2:50
Level 16 3:07
Level 17 3:20
Level 18 3:27
Level 19 3:38
Level 20 3:50

Level 21 4:13
Level 22 4:34
Level 23 4:47
Level 24 5:01
Level 25 5:21
Level 26 5:38
Level 27 5:54
Level 28 6:10
Level 29 6:21
Level 30 6:35

Level 31 7:07
Level 32 7:31
Level 33 7:49
Level 34 8:01
Level 35 8:16
Level 36 8:40
Level 37 8:56
Level 38 9:20
Level 39 9:41
Level 40 10:08

Level 41 10:45
Level 42 11:14
Level 43 12:02
Level 44 12:54
Level 45 13:22
Level 46 13:47
Level 47 14:55
Level 48 15:00
Level 49 15:27
Level 50 17:07

M = Move
G = Gravity

16 - MR MR MR MR MU MU ML ML GU GR GU MR MR MD MD ML ML ML MU GD
17 - MD GR MR GU
18 - ML GU MU MU ML MU GR MR GU GR
19 - MD MD MD ML GD GR MU
20 - MD MRX6 MUX2 GU ML MR MDX2 MLX3 GD MR MLX4 MUX2 MR ML MDX2 MRX2 MUX2 MLX2 MD ML MD MR GU

4:37