Here is the full list of all 30 Titty Crush achievements.
Conquer Suzu.
Conquer Dolores.
Conquer Shiomi.
Conquer Houki.
Conquer Kiyo.
Reach 69000 points in Dolores arcade level.
Reach 69000 points in Suzus arcade level.
Reach 69000 points in Shiomis arcade level.
Reach 69000 points in Kiyos arcade level.
Reach 69000 points in Houki arcade level.
Crush 1000 melons.
Crush 1000 cherries.
Crush 1000 apples.
Crush 1000 bananas.
Crush 1000 peaches.
You met Suzu
You met Dolores.
You met Shiomi.
You met Houki.
You met Kiyo.
Crush two bananas.
Crush two melons.
Crush two cherries.
Crush two peaches.
Crush two coconuts.
Crush two apples.
Play the game for the first time.
Speedrun the game in under 1 hour.