Phoenix Online Studios now offers the final chapter in Cognition: An Erica Reed Thriller, their episodic mystery series. The Windows and OS X game is available through the official website as well as the digital distributors listed on this page. They offer this trailer for the new chapter as well as a new previously on... trailer, which contains spoilers from the previous chapters. Word is: "With three grisly cases solved, Erica finally has the Cain Killer within her reach in Cognition's intense finale. But her colleagues have fallen and she stands alone -- unless she's willing to accept the help of someone she does not trust. In the moment of truth, will she go for justice or revenge? The choice is yours."