Board Thread:Plants vs. Zombies 2/@comment-27101994-20170220140321/@comment-24275721-20170223194243

Moonshan2 wrote: Looks like we're getting new objectives in the additional levels. I'm pretty sure pirate seas didn't have a mold colonies level before. Most levels had mold colony objectives pre-v1.7. Pirate Seas had those as well but most were removed when they changed the map format..

It is possible they are recycling old level objectives that they discarded once.