Agatha Christie - The ABC Murders, a Point-and-Click-Adventure featuring Agatha Christies famous detective Hercule Poirot, is available now for Linux on GOG and Steam.

Description:

The ABC Murders is an adventure and investigation game adapted from the classic Agatha Christie novel. You are the famous private detective Hercule Poirot and, once again, you find yourself up against a mysterious serial killer who goes by the name of "ABC".