Assuming you're looking for general advice on how to find cheats or unlockables for a game:
The most common way to "unlock all" without manual gameplay is to use a completed save file. Since the transition to Godot, save data is stored in specific directories depending on your OS: Windows: %appdata%\Godot\app_userdata\Goodbye Eternity\ Linux: ~/.local/share/godot/app_userdata/Goodbye Eternity/ Goodbye Eternity Cheats Unlock All Scenes -2024-
For users attempting to unlock all scenes in Goodbye Eternity, the following course of action is recommended to ensure device safety: Assuming you're looking for general advice on how
Manual Save Replacement: You can manually unlock the gallery by replacing your local save files with a "100% complete" save file from the community. Save Data Locations Title: Goodbye Eternity Cheats Unlock All Scenes -2024-
Security & Safety Recommendations
This is the current gold standard for Goodbye Eternity cheats unlock all scenes in 2024. The developers left a hidden developer console in the game’s executable.