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