Saints Row - Undercover PSP - GameBrew

Saints Row: Undercover is a PSP game developed by Volition Game Studios. Due to various reasons, the project had many pauses until it was finally cancelled.

Volition Releases ISO of Unreleased SAINTS ROW: UNDERCOVER on PSP — GameTyrant

HENKaku Homebrew] The Listing of all VPKs - The Independent Video Game Community

PSP Saints Row Undercover Officially Released Prototype - Retro Reversing (Reverse Engineering)

List of PSP homebrew games - GameBrew

Saints Row: Undercover (Unreleased PSP) - BetaArchive

Saints Row: Undercover [PSP - Cancelled] - Unseen64

Volition Has Released Their Canceled PSP Game Saint's Row: Undercover For Free - Gamesear

Volition Releases ISO of Unreleased SAINTS ROW: UNDERCOVER on PSP — GameTyrant

Saints Row: Undercover [PSP - Cancelled] - Unseen64

Saint Row: Undercover [DEMO] (USA) PSP ISO - CDRomance

Saints Row Undercover, Saints Row Wiki

Volition Releases ISO of Unreleased SAINTS ROW: UNDERCOVER on PSP — GameTyrant

PSP Saints Row Undercover Officially Released Prototype - Retro Reversing (Reverse Engineering)

Saints Row Undercover, Saints Row Wiki