Resistance: Retribution - PSP » PSP Games - Video Game World
Resistance 2 and Resistance: Retribution, How They Connect - MonsterVine
Resistance: Retribution
Hands-on with Resistance: Retribution and PSP Plus | Ars Technica
Bend Studio on Twitter: "It's been 12 years since #Resistance: Retribution came out on the PSP! Featuring an original story, multiplayer, and connectivity with Resistance 2 on the PS3! Happy Birthday, R:R!