Gun Showdown - Sony PSP : Artist Not Provided: Amazon.de: Games
Gun Showdown on PSP came out 4 years before RDR1, and it also nails the cowboy vibe, with such a small open world and janky controls. : r/reddeadredemption
GUN: Showdown - PSP - #19. Clay Captured, Take Down Hoodoo [1/2] - YouTube
GUN showdown for the PSP - PSP - News - HEXUS.net
PSP – Gun Showdown – Dutch Game Boys
Retro Review - Gun: Showdown - BagoGames
Retro Review - Gun: Showdown - BagoGames
Gun Showdown PPSSPP Gameplay Full HD / 60FPS - YouTube