A variety of issues may be caused by corrupted game files, e.g. immortal enemies, crashes, glitched graphics or inability to launch the game. If you have encountered such an issue, please verify the integrity of game cache and load a game save file created before this issue occurred (if possible).
GOG.com:
- Launch GOG GALAXY and log in with your GOG.com account.
- Choose the game from Owned games tab.
- Click Customize button (to the right of Play button) → Manage installation → Verify/Repair.
- Wait for a few minutes until GOG GALAXY verifies the files.
Steam:
- From the Library section, right-click on the game and select Properties from the menu.
- Select the Installed files tab and click the Verify integrity of game files... button.
- Steam will verify the game's files - this process may take several minutes.
Epic Games Launcher:
- In the Library section, navigate to the game and click on the three dots.
- Click Manage and then Verify in the pop-up window.
- It may take a few minutes to verify all the files.