As for gameplay details, you can expect more of the crazy upgradeable weapons and gadgets that the series is known for, including a Shrink Ray, which is what allows Ratchet to become small enough to explore the Technomites' world. The listing also promises a new customizeable armor system.
R&C for PSP will have some Wi-Fi capabilities, including downloadable multiplayer missions, and the ability to trade items wirelessly with other Ratchet owners.

