I’ve been so lost on how to even start this, I’ve got 4/5 endings, I keep reading “You have to call these numbers” or “There’s a file that shows up in your game files”
use the artifact to generate a Hello.txt file in your game folder. Convert what is written with a base64 converter found online. The rest is for you to figure out.
In the water source by taking the path leading to the right of the big tree in the outside area right after the gate with the Token Puzzle. (left path is the one that takes you to the continued main story towards where the old house was)