If you want to face off against the Ice King, you'll need to get past the door puzzle and the ice block puzzle first.

It’s easy to get stuck, but the guide below includes all Poppy Playtime Chapter 4 puzzle codes and explanations for how to work them out. The first puzzle involving a code is in the cell block area.

The classic sliding block puzzle. The 15-puzzle consists of a 4-by-4 grid with tile numbered $1$ to $15$ placed in the grid. The object of this puzzle is to randomly arrange the tiles on the grid, and ...