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