Here is the full list of all 100 Hentai Mosaique Neko Waifus achievements. It takes around 2-3 hours to unlock all of the achievements on Windows.
USE PEEK ABILITY ONCE
LEVEL UP "PEEK" TO LEVEL 5
DISCOVER A MULTI PHONE PUZZLE
GATHER 5 UNSPENT ABILITY POINTS
LEVEL UP TO LEVEL 10
CLICK THE PUZZLE PIECES 100 TIMES
SOLVE 2 PUZZLES
CLICK THE PUZZLE PIECES 50 TIMES
LEVEL UP TO LEVEL 5
LEVEL UP "PUNCH OF LOVE" TO LEVEL 1
LEVEL UP "PEEK" TO LEVEL 1
SOLVE 1 PUZZLE
GATHER 2 UNSPENT ABILITY POINTS
CLICK THE PUZZLE PIECES 10 TIMES
CLICK THE PUZZLE PIECES FOR THE FIRST TIME
HI THERE
SOLVE 5 PUZZLES
SOLVE 10 PUZZLES
SOLVE 15 PUZZLES
SOLVE 20 PUZZLES
CLICK THE PUZZLE PIECES 200 TIMES
CLICK THE PUZZLE PIECES 300 TIMES
CLICK THE PUZZLE PIECES 400 TIMES
CLICK THE PUZZLE PIECES 500 TIMES
CLICK THE PUZZLE PIECES 600 TIMES
CLICK THE PUZZLE PIECES 700 TIMES
CLICK THE PUZZLE PIECES 800 TIMES
CLICK THE PUZZLE PIECES 900 TIMES
CLICK THE PUZZLE PIECES 1000 TIMES
CLICK THE PUZZLE PIECES 1500 TIMES
CLICK THE PUZZLE PIECES 2000 TIMES
CLICK THE PUZZLE PIECES 3000 TIMES
SOLVE 2000 BLOCKS IN TOTAL
GATHER 7 UNSPENT ABILITY POINTS
GATHER 10 UNSPENT ABILITY POINTS
GATHER 13 UNSPENT ABILITY POINTS
GATHER 15 UNSPENT ABILITY POINTS
SOLVE 25 PUZZLES
SOLVE 30 PUZZLES
SOLVE 35 PUZZLES
SOLVE 40 PUZZLES
SOLVE 666 BLOCKS
USE PEEK ABILITY TWICE
USE PEEK ABILITY 10 TIMES
USE PEEK ABILITY 15 TIMES
USE PEEK ABILITY 20 TIMES
USE PEEK ABILITY 50 TIMES
VIEW YOUR FIRST IMAGE IN THE GALLERY
VIEW 10 IMAGES IN THE GALLERY
VIEW 100 IMAGES IN THE GALLERY
VIEW 1000 IMAGES IN THE GALLERY
GET 1000 EXPERIENCE
GET 3000 EXPERIENCE
GET 5000 EXPERIENCE
LEVEL UP "PEEK" TO LEVEL 10
LEVEL UP "PUNCH OF LOVE" TO LEVEL 5
LEVEL UP "PUNCH OF LOVE" TO LEVEL 10
LEVEL UP "RAIN OF LOVE " TO LEVEL 1
LEVEL UP "RAIN OF LOVE" TO LEVEL 5
LEVEL UP "LOVE RAIN" TO LEVEL 10
LEVEL UP "SONAR OF LOVE" TO LEVEL 1
LEVEL UP "LOVE RADAR" TO LEVEL 5
LEVEL UP "SONAR OF LOVE" TO LEVEL 10
LEVEL UP "AIRSTRIKE OF LOVE" TO LEVEL 1
LEVEL UP "AIRSTRIKE OF LOVE" TO LEVEL 5
LEVEL UP "AIRSTRIKE OF LOVE" TO LEVEL 10
LEVEL UP "AIRSTRIKE OF LOVE" TO LEVEL 20
LEVEL UP "EARTHQUAKE" TO LEVEL 1
LEVEL UP "EARTHQUAKE" TO LEVEL 5
LEVEL UP "EARTHQUAKE" TO LEVEL 10
ALL GIRLS UNDRESSED AT LEAST TO THEIR UNDERWARE
PUNCH OF LOVE FIRED 10 TIMES
PUNCH OF LOVE FIRED 50 TIMES
PUNCH OF LOVE FIRED 100 TIMES
FIRE RAIN OF LOVE 10 TIMES
FIRE RAIN OF LOVE 50 TIMES
FIRE RAIN OF LOVE 100 TIMES
FIRE SONAR OF LOVE 10 TIMES
FIRE SONAR OF LOVE 50 TIMES
FIRE SONAR OF LOVE 25 TIMES
FIRE AIRSTRIKE OF LOVE 10 TIMES
FIRE AIRSTRIKE OF LOVE 50 TIMES
FIRE AIRSTRIKE OF LOVE 25 TIMES
FIRE EARTHQUAKE 10 TIMES
FIRE EARTHQUAKE 50 TIMES
FIRE EARTHQUAKE 25 TIMES
LEVEL UP TO LEVEL 15
LEVEL UP TO LEVEL 25
LEVEL UP TO LEVEL 50
LEVEL UP TO LEVEL 75
LEVEL UP TO LEVEL 100
FINISH ALL PUZZLES WITH KUMI
FINISH ALL PUZZLES WITH SAYOURI
FINISH ALL PUZZLES WITH SAYOURI AND KUMI
FINISH ALL PUZZLES WITH JIYA
10 BLOCKS UNCOVERED BY RAIN OF LOVE
50 BLOCKS UNCOVERED BY RAIN OF LOVE
100 BLOCKS UNCOVERED BY RAIN OF LOVE
1000 BLOCKS UNCOVERED BY RAIN OF LOVE
LEVEL UP TO LEVEL 150