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MONSTER CARDSNews[macOS] Hotfix 0.24.6 - Fixed cards & decks not found after save folder change
Game update

[macOS] Hotfix 0.24.6 - Fixed cards & decks not found after save folder change

MONSTER CARDS · published 2 Sep 2026, 05:41 UTC

All newsPlayers around this dateRead on Steam

This fixes a recent issue on Mac where custom cards, decks and sleeves went missing from the game.
The Windows and Steam Deck versions are not affected.

The issue

A change to the game's Steam settings caused the save folder location on Mac to change. As a result, cards, decks and sleeves created before that change were no longer being loaded.
Your data has not been deleted. It is still in the previous folder.

The fix

  • On launch, the game now carries over your cards, decks, sleeves and binder data from the previous folder to the new location. This runs only once.

  • Settings such as player name, avatar, volume and display options, as well as owned costumes and packs, are carried over too.

  • Edit rights for cards you created before the update (they remain your own custom cards) are carried over as well.

Notes

  • Once the transfer is complete, it is safe to delete the previous folder. We recommend playing for a while first and confirming that all your cards and decks are present before deleting it.

  • If the game shows "file(s) could not be moved" at launch, keep the previous folder and launch the game again. If it keeps failing, please contact us at the address below.

  • If several Steam accounts share the same Mac, make sure everyone has launched the game once before deleting the folder.

  • If you have already copied the files yourself, identical files will not be duplicated. Files with the same name but different contents are set aside in the Cards/Restored_0.24.5 folder.

  • Settings you changed after the update may be reverted to their previous values once during the transfer.

Save folder locations

Before: ~/Library/Application Support/com.GasaiGames.MonsterCards
Now: ~/Library/Application Support/GasaiGames/MonsterCards

Contact

Email: [email protected]
When contacting us, attaching the following two files will help us investigate:
- ~/Library/Application Support/GasaiGames/MonsterCards/_migration_macos.txt
- ~/Library/Logs/GasaiGames/MonsterCards/Player.log


We apologize for the inconvenience, and thank everyone who reported the issue.

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