Board Thread:Plants vs. Zombies 2: It's About Time/@comment-25702176-20150519202956/@comment-5460584-20150527234543

Gargantuar333 wrote: And some new world unlocking system.

From what I can tell, you can choose to go to Ancient Egypt or Pirate Seas when you begin the game, then Wild West or Kung-Fu World, then Far Future or Dark Ages, etc.