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