There's a locked door in Conditioning with a strange emoji keypad in Poppy Playtime: Chapter 5, here's how to get the code to unlock it.

Poppy Playtime: Chapter 5 traps players inside a room with Huggy, and they'll need to find three batteries & an optional locker code to escape it.

The Pressure Hand in Poppy Playtime: Chapter 5 will allow players to push heavy objects, here's how to get the locker code and retrieve it.