Mystery Case Files: Dire Grove is a puzzle game developed by Big Fish Games, Engine Software and released on Microsoft Windows, Nintendo 3DS. Explore the town of Dire Grove - A mystery 1000 of years old. The Celtic legend of Dire Grove has been passed down from generation to generation for centuries. Considered a fairytale, its telling was common at campfires and as a bedtime story meant to frighten small children into staying in their beds through the night. However, a recently unearthed artifact in the United Kingdom corroborates the legend and so begins a journey of survival for a small band of graduate students in the secluded resort of Dire Grove.