They have scanners on site for the game play cards and according to my wife, there is apparently an option at the bottom of their website to check gift card balances.
There are stations inside and you can take them to the front desk. You might even be able to call them
They have scanners on site that will tell you your remaining balance.
They have little kiosks where you can scan your cards and easily find both the monetary and ticket values
You have to take them in and scan them.
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