Here is the full list of all 20 Hentai Breakout City achievements.
Open the gallery
Finish Jade stage
Unlock Jade stage
Finish Alice stage
Hit blue block
Finish Annie stage
Unlock Alice stage
Destroy 50 blocks
Hit green block
Destroy 40 blocks
Finish Eerie stage
Unlock Annie stage
Destroy 30 blocks
Destroy 20 blocks
Destroy 10 blocks
Take the powerup of expansion
Destroy 5 blocks
Get the ball power up
Destroy the first block
Start the game