PSP Ratchet & Clank offers four-way multiplayer mode

Weapons with names as exotic as the Blitz Cannon, the Agents of Doom and the Shrink Ray were made to be shared with friends – preferably along with some choice words about how royally you

The (incomplete) series of Ratchet and Clank essays:, by Colm O'Shea

BRAND NEW and SEALED Sony Playstation Portable PSP Game., Note: Can be played on the Sony Playstation Portable PSP Only.

Ratchet & Clank Size Matters - PlayStation Portable

Sony PSP 2000 (slim) review: Sony PSP 2000 (slim) - CNET

Ratchet & Clank: Size Matters

Throwing a Wrench in It: 19 Years of Ratchet & Clank, by Bryan Finck, SUPERJUMP

Insomniac should bring back multiplayer for Ratchet and Clank : r/playstation

Ratchet & Clank: Size Matters - Sony PSP : Video Games

Size Matters multiplayer, Ratchet & Clank Wiki

Size Matters multiplayer, Ratchet & Clank Wiki