Here is the full list of all 75 FootRock achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
LEVEL75
LEVEL71
LEVEL72
LEVEL73
LEVEL74
LEVEL67
LEVEL68
LEVEL69
LEVEL70
LEVEL61
LEVEL62
LEVEL63
LEVEL64
LEVEL65
LEVEL66
LEVEL58
LEVEL59
LEVEL60
LEVEL56
LEVEL57
LEVEL54
LEVEL55
LEVEL50
LEVEL51
LEVEL52
LEVEL53
LEVEL46
LEVEL47
LEVEL48
LEVEL49
LEVEL42
LEVEL43
LEVEL44
LEVEL45
LEVEL40
LEVEL41
LEVEL33
LEVEL34
LEVEL35
LEVEL36
LEVEL37
LEVEL38
LEVEL39
LEVEL30
LEVEL31
LEVEL32
LEVEL28
LEVEL29
LEVEL27
LEVEL22
LEVEL23
LEVEL24
LEVEL25
LEVEL26
LEVEL20
LEVEL21
LEVEL15
LEVEL16
LEVEL17
LEVEL18
LEVEL19
LEVEL11
LEVEL12
LEVEL13
LEVEL14
LEVEL4
LEVEL5
LEVEL6
LEVEL7
LEVEL8
LEVEL9
LEVEL10
LEVEL2
LEVEL3
LEVEL1