Board Thread:Plants vs. Zombies 2/@comment-25083348-20151210192844/@comment-27008291-20151211171126

Master3530 wrote: That'd cause a time paradox and decease the time travelling Dave and us. And Penny.There was stuff like that in back to the future. But since the past ones didn't ever time travelled, the story didn't happen and all that coplicated stuff that destroys universe. To be precise, a bootstrap paradox.