Here is the full list of all 38 Bouncers achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Y
Z
X
V
W
U
T
S
R
Q
P
O
N
M
L
!
K
?
0 Bounce
J
9
I
8
H
7
G
6
F
5
E
4
D
3
C
2
B
1
A