This code is a C# port of the Reindeer sample from: https://github.com/amzn/alexa-skills-kit-js/tree/deprecated. For better accuracy I found it best to add the following text answers to the answer list:
Core functionality for handling Alexa skills.
The shared Alexa functionality, handles the communication with Alexa. But not specific hosting related implementation details.
Has an associated test project too.
AWS Lambda service for the Alexa skill & Reindeer Games game.
Azure Web Service for the Alexa skill & Reindeer Games game. Uses Application Insights for logging, so you will need to hook up to an Insights key. Alternatively, you can amend / create a new logger that logs somewhere else - maybe even nowhere. The default logging implementation is 'InsightsLogger'.
Full security has not yet been implemented on this service - beware!
The Reindeer Games game itself along with associated tests.