You will encounter the Hydro-Puzzle safe during the “Hydro-Puzzle” side quest. After completing “Power Gambit” and starting a ...
You’ll need the Training Room code to open a locked door in Missile Command Delta. Once you punch the right code into the keypad in the Training Lounge, you’ll be able to open the Training Room, which ...
In Deltarune Chapter 3, after the first two Marvelous Mystery Boards, you'll come across a TV remote guy called a Zapper. After telling him you won't fight or pushing his buttons a few times, you're ...