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The Agatha Christie Collection includes:

Agatha Christie - The ABC Murders
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".

Agatha Christie - Hercule Poirot: The First Cases
In his early years as a detective, Hercule Poirot is invited to a reception by the influential Van den Bosch family, for the announcement of their daughter’s engagement. But tensions amongst the guests run high as a snowstorm descends on the town, trapping everyone inside the manor. The happy event is soon marred by the murder of one of the guests… In the right place at the right time, Poirot immediately begins to investigate. What buried secrets and deadly rivalries will he uncover?