Hello everybody! Alright, so this achievement is pretty standard business.
- There is a secret passage to the basement in the parent's room. The parent's room is at the left end of the hallway when entering from the main room.
- Once in, interact with the wall lamp to the left of the closet door by pressing
.
- After that, the floor of the basement will open up. Just walk in and the achievement will pop.
Here's my video guide if you'd prefer.Strange Parents at 0:45
Happy Hunting!