Cognition: An Erica Reed Thriller will conclude with the final episode, The Cain Killer, later this month. Upon the release of the finale, the full Cognition series for Mac and PC will arrive on Steam and GOG for the first time. The four episode series has been releasing quarterly since October 2012 and was partially funded by Kickstarter and the Steam release follows a 10-month Greenlight effort which amassed over 25,000 votes from the community. The final episode will be released on September 19. Screens and trailer are below.