Here is the full list of all 54 Pocket Waifu achievements.
Become Cleo Loring's boyfriend.
Become Sakaki Shimizu's boyfriend.
Fill entire Lust Bar in Cat Race 10 times.
Become Mary Green's boyfriend.
Complete tutorial
Get to know first six girls
Make Mary Green into your waifu.
Make Sakaki Shimizu into your waifu.
Make Cleo Loring into your waifu.
Become Raquel Cardoso's boyfriend.
Make Raquel Cardoso into your waifu.
Become Annabelle Cumming's boyfriend.
Make Annabelle Cumming into your waifu.
Become Leilani Kealoha's boyfriend
Make Leilani Kealoha into your waifu
Become Yasu Teramura's boyfriend.
Make Yasu Teramura into your waifu.
Become Eva Varga's boyfriend.
Make Eva Varga into your waifu.
Become Valentina Sapienzas boyfriend.
Make Valentina Sapienza into your waifu.
Get all Rooms mementos for Mary Green.
Get all Rooms mementos for Sakaki Shimizu.
Get all Rooms mementos for Cleo Loring.
Get all Rooms mementos for Raquel Cardoso.
Get all Rooms mementos for Annabelle Cumming.
Get all Rooms mementos for Leilani Kealoha.
Get all Rooms mementos for Yasu Teramura.
Get all Rooms mementos for Eva Varga.
Get all Rooms mementos for Valentina Sapienza.
Poke your girls 1500 times.
Give 250 gifts.
Use 250 energy drinks.
Use 250 time warps.
Eat with your girls 500 times.
Let your girls shower 500 times.
Fill entire Lust Bar in Dancing Snake 10 times.
Fill entire Lust Bar in Line Breaker 10 times.
Fill entire Lust Bar in Sky Jump 10 times.
Fill entire Lust Bar in Spiral 10 times.
Fill entire Lust Bar in Switch the Gravity 10 times.
Fill entire Lust Bar in Bridges 10 times.
Fill entire Lust Bar in Waifu Flip 10 times.
Fill entire Lust Bar in High Roller 10 times.
Get visited by your girls 7 days in a row.
Get visited by your girls 30 days in a row.
Play 100 Games requested by your girls
Complete 150 daily wishes of your girls.
Finish the Garden Tutorial.
Harvest a Special Flower.
Harvest 10 crops.
Harvest special flowers of Mary, Raquel & Yasu.
Harvest special flowers of Sakaki, Annabelle & Eva.
Harvest special flowers of Cleo, Leilani & Valentina.