Here is the full list of all 100 aMAZE Christmas achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Level 50
Symbol 24
Symbol 23
Level 49
Symbol 22
Level 48
Symbol 21
Level 47
Symbol 20
Level 46
Symbol 19
Level 45
Level 44
Symbol 18
Level 43
Symbol 17
Level 42
Symbol 16
Level 41
Symbol 15
Symbol 14
Level 40
Level 39
Symbol 13
Level 38
Symbol 12
Level 37
Symbol 11
Level 36
Symbol 10
Symbol 9
Level 35
Level 34
Symbol 8
Symbol 7
Level 33
Level 32
Symbol 6
Level 31
Symbol 5
Symbol 4
Level 30
Level 29
Symbol 3
Level 28
Symbol 2
Symbol 1
Level 27
Level 26
Z
Y
Level 25
Level 24
X
W
Level 23
Level 22
V
U
Level 21
Level 20
T
Level 19
S
R
Level 18
Q
Level 17
Level 16
P
Level 15
O
Level 14
N
Level 13
M
L
Level 12
K
Level 11
Level 10
J
Level 9
I
H
Level 8
G
Level 7
F
Level 6
Level 5
E
Level 4
D
C
Level 3
Level 2
B
Level 1
A