The game is available for free for everyone on joinhackshield.com.
I have been working for HackShield for the past ~3 years. I came in as a junior right after I graduated and worked my way up to tech lead. I worked on a lot of different projects, but the main ones were HackShield the game & the website.
My responsibilities include the website, the backend, the architecture of the code in the game and making sure our development team & the communications team can do their job as efficiently as possible.