The requested game is an asymmetric cooperative hack-and-slash game originally released in 2013. It is set in a chaotic medieval theme park managed by the villainous Dungeon Maestro.

: A master of the arcane arts who constantly set fire to the scenery (and occasionally his teammates). The Ultimate Theme Park Ride

The trio expected a simple walk in the park. Instead, they found themselves fighting for their lives through three distinct, trap-ridden environments.

: If you previously owned the game or added it to your account when it was free, you can still find it and install it via your personal Steam library.

The Dungeon Maestro was bored. After centuries of defending standard, gloomy stone corridors against greedy adventurers, he decided the traditional dungeon crawling industry needed a serious rebrand.