Official development for the WWE series on PSP concluded just before 2012. If you are looking for the "top" experience for this specific timeframe, you are essentially looking at the final official entries and the fan-made "2012" editions. : Never released for PSP.
: The final official wrestling title on the system, offering an arcade-style experience. Top Official WWE ISOs for PSP wwe 2012 psp iso top
: The last mainline simulation game released for the platform. Official development for the WWE series on PSP