Here is the full list of all 117 Falling words achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
6
7
8
9
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
~
{
}
0
1
2
3
4
5