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. 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.

Key Features:

• A third person action-adventure game created specifically for PSP that bridges Resistance: Fall of Man® and Resistance 2.
• Revolutionary Targeting System: Advanced third person targeting system designed specifically for the PSP® system.
• Over 10 different types of enemies, including Chimera from Resistance 2 and Resistance: Fall of Man – including the Titan, Slipskull, Hybrids and Leapers – and all new enemies like the Hag and Cloven.
• Intense eight player multiplayer gameplay with five game modes including Team Deathmatch, Capture the Flag, Containment and Assimilation available via ad-hoc and infrastructure.

from playstation.com