Here is the full list of all 40 WayOut 2: Hex achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
C
B
A
0
1
2
3
4
5
6
7
8
9
?
!
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
MAP
S
T
U
V
W
X
Y
Z