After you install the add-on from the Marketplace, you'll see this in your HipChat right-hand sidebar (make sure you have the latest client – won't work in older HipChat clients):
When you click on the "Play Snake! glance" in the sidebar, it will launch a dialog like this:
The rest is obvious.
...from the beginning. We have built up a lot of content in HipChat, with it being a core tool in our distributed company model. While it is true that we didn’t need to move to Slack immediately, we felt it...
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