Here is the full list of all 8 Boobs Saga achievements.
The base game contains 5 achievements, and there is 1 DLC pack containing 3 achievements.
Use the bottle!
Find one of the secret VHS tapes!
Create a character!
Visit the bonus scene!
Collect all the secret VHS tapes!
Start Online Mode!
Kill another player in online mode!
Open 2D animations in a online mode!