Here is the full list of all 100 Oik Memory: Endgame achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Open level 25
Open level 24
Open level 23
Open level 22
Open level 21
Open level 20
Open level 19
Open level 18
Open level 17
Open level 16
Open level 15
Open level 14
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Open level 12
Open level 11
Open level 10
Open level 9
Open level 8
Open level 7
Open level 6
Open level 5
Open level 4
Open level 3
Open level 2
Open level 1
Open level 26
Open level 27
Open level 28
Open level 29
Open level 30
Open level 31
Open level 32
Open level 33
Open level 34
Open level 35
Open level 36
Open level 37
Open level 38
Open level 39
Open level 40
Open level 41
Open level 42
Open level 43
Open level 44
Open level 45
Open level 46
Open level 47
Open level 48
Open level 49
Open level 50
Open level 51
Open level 52
Open level 53
Open level 54
Open level 55
Open level 56
Open level 57
Open level 58
Open level 59
Open level 60