Resistance Retribution is a third-person shooter developed for PlayStation Portable, set in the aftermath of Resistance: Fall of Man. Players control former British Marine James Grayson, seeking vengeance after a tragedy involving his brother. As he targets Chimeran conversion centers, Grayson discovers a new threat. Teaming with the Maquis, he embarks on Operation Overstrike to combat the Chimera across Europe.
Set in the weeks after Resistance: Fall of Man, Resistance: Retribution follows the story of former British Marine James Grayson. After a personal tragedy - he is forced to kill his own brother inside a Chimeran conversion center - Grayson goes on a vendetta to destroy every conversion center he can find. Eventually Grayson learns that his efforts have been futile... in Western Europe the Chimera have evolved a new method of converting humans to aliens. The European resistance - the Maquis - enlist Grayson's help, and he joins Cartwright and Parker in Operation Overstrike. The war to retake the European continent has begun.