It depends. The Secret of the House has a trigger system. If you load a save that already triggered the "Final Letter" achievement, you won't get it again. However, most UPD saves are made the final trigger, allowing you to earn achievements naturally.
: Always check the developer’s Patreon page for the safest and most up-to-date game links. the secret of the house save file download upd
C:\Users\[YourUsername]\Documents\The Secret of the House\Saves It depends
"Because the world refuses to be rewritten wholesale," he said. "So it keeps the small, human patches. A letter unsent is sent here. A doorbell never rung rings again in a hallway. We keep the weight of things so the living can carry on lighter." However, most UPD saves are made the final
Recommended sites:
First, find where the game stores saves (varies by platform):
The developer, in a 2024 interview, said: "We understand some puzzles are obtuse. Using shared saves is fine – just don't spoil the story for others." So, no bans or penalties exist.