Is this made by Unity ? or Custom engine?

We have had a couple of people come forward saying that the trading cards are not showing up - and or are not working. We would like people affected by this bug to post on this thread and give as many details as possible about this issue if you are encountering it so I can forward this to QA and if found to be defective , we would like to make sure this works as soon as possible. Thank you very much for buying our games and we look forward to helping you always. Jason Carver Community Support at Encore ...

The store page says that this does not have german voice over. Can someone confirm this? The other game from the same developer "House of 1,000 Doors: Family Secrets Collector's Edition" has german voice in it. Thanks in advance!

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Do I need to play the first episode of House of 1000 Doors before this or are they not connected?