There is no official PS2 ROM for WWE '12 because the game was never released for the PlayStation 2. The Official Release
Dynamic Environments: The ringside area became much more interactive, with improved weapon physics. Conclusion wwe 12 ps2 rom link
If you are searching for a "WWE 12 PS2 ROM link," you are likely looking for one of two things: the official PSP version (which can be emulated) or a fan-made "ISO Mod" of WWE SmackDown vs. Raw 2011. There is no official PS2 ROM for WWE
If you are looking for the WWE '12 experience on a legacy system or emulator: Why WWE '12 isn’t on PS2 The best
In the official version of WWE '12, the story mode is a single, continuous 18-month narrative divided into three distinct chapters: