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Don't open the doors!

Don't open the doors! trading card set

Don't open the doors! has 8 trading cards. Buy the complete set with credits and craft the game badge, or sell your Don't open the doors! cards to us.

Badge levels: each crafted set raises the Don't open the doors! badge by one level, up to level 5 for the normal badge. The foil badge has a single level (max level 1).

SetCardsPriceStock
Normal set887 creditsOut of stock

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Cards in the Don't open the doors! set

1 credit ≈ 1 Steam gem. Credits exist on this site only and cannot be cashed out. Prices and stock update automatically.