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This game seems not to be cracked properly. It will crash after some level.
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It's a great game, hope this can be fixed
Indeed, as soon as you satisfy the unlock condition for any of the unlockable categories (except [?]), game crashes and can't launch again. Going into the save file and manually deleting the last completion record from there (of the puzzle completing which would unlock a category but crashed the game) allows the game to open again. But you can never complete that last puzzle which would unlock a category, and therefore no additional categories are available (except [?]).