The murder investigation theme was chosen first by the developers, who decided to make the game in the hidden object genre due to it making both business and personal sense. Idenvest originally put up €300,000 in seed capital, which was followed by another €2.5 million after the game achieved a level of early modest success.
Pretty Simple was founded in 2010 by partners Bastien Cazenave and Corentin Raux and was backed by Idinvest Partners. As of June 18, 2023, all the Criminal Case games are inaccessible on Facebook. The game released its final case on January 21, 2021. On December 9, 2013, Criminal Case was crowned the Facebook Game of the Year 2013. Developed and published by French indie studio Pretty Simple, Criminal Case has over ten million average monthly users. In 2018, the Facebook version was converted from Adobe Flash to HTML5. An iOS version was released worldwide on August 28, 2014, followed by an Android version on April 15, 2015. Criminal Case is a detective-themed hidden object game released on Novemfor Facebook.