Is there a way to filter it like games already owned?

12 years ago*

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Account > Sync Account > Filter Games :P

12 years ago
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Click on Account at the top of the page...

12 years ago
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The built-in filter can't catch all DLC, since some don't show in your game list. You need one of the user-made add-ons for that

12 years ago
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You can get the SteamGifts browser extension and manually hide any DLC that doesn't register as being owned.

12 years ago
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Closed 12 years ago by Johnm253.