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.
MAP
V
9
Z
Y
X
W
U
S
8
T
Q
6
R
M
P
O
7
5
N
L
3
4
?
K
!
2
J
I
H
1
G
E
D
F
0
C
B
A