Here is the full list of all 50 Hentai IQ Puzzle achievements. It takes around 0-1 hour to unlock all of the achievements.
X
Y
Z
〇
1
2
3
4
5
6
7
8
9
10
❤
❤ ❤ ❤
□
■
cube
CUBEE
◇
◈
►
◄
▲
▼
777
C
D
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
E
F
A
B