Plants vs Zombies 2 10th World Jurassic Marsh (the old name is "Mesozoic Marsh") Watch all the demo gameplay of Jurassic Marsh here: https://www.youtube.com/watch?v=svtJu0tRTSU&list=PLYGXV3LYDlOYPnLZfOLhbNBlsgl7BY8Z1&index=1 Jurassic Marsh Part 1 has 4 new plants: Grapeshot (premium), Primal Peashooter, Primal Wall-nut, Perfume-shroom Dinosaurs in this world won't attack plants directly. However, they will definitely react to zombies.
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Here's Day 5. I noticed that Imp was killed with 2 shots of Primal Pea, so he has 5 NDS toughness.