C:\Users\[YourUsername]\AppData\Local\GOG.com\Galaxy\Applications\53835151161532868\Storage\Shared\Files Files to Look For : The primary save file is typically named . You may also see files, which track your settings and chapter unlocks. Steam Community Troubleshooting Common Issues
Diagnostic checklist for a single problematic save metro last light redux save game
Echoes in the Ruins: The Role, Mechanics, and Psychology of Saving in Metro: Last Light Redux C:\Users\[YourUsername]\AppData\Local\GOG
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Concise checklist for players (one-page) metro last light redux save game
The Metro games use a checkpoint-only system. You cannot save manually at any moment.