You may find files online labeled as "WWE '12 PS2 ISO" or "ROM," but these are typically fan-made mods Modded Games: These are usually based on the engine of WWE SmackDown vs. Raw 2011 the final official WWE game released for the PS2 [24].
Redesigning the user interface to mimic the 2011/2012 era of WWE programming. Technical and Legal Considerations Wwe 12 Ps2 Rom
For those seeking to play these versions, they are typically run via the PCSX2 emulator on PC or on original hardware using homebrew software. However, users should exercise caution: You may find files online labeled as "WWE