The second level, if there are green zombies, do you notice the green energy accumulation table at the bottom? As long as you kill the zombies and collect the green leaves on the screen, you can get a moment of enhanced energy. Don't underestimate this special energy. If you use the special energy on plants, it will burst out with super power.
For example, ordinary peas will turn into super peas after using the enhanced ability. If you find that the row is about to be broken, you can use this to quickly clear most of the enemies in the same row. If the special energy is used in sunflowers, it will produce a lot of sunlight in an instant, which is also a way to quickly accumulate sunlight energy, but because of the green light Zombies are random, and the probability is not high, so we should cherish the use, I am used to reverse the disadvantage.
If the zombie is located at the back of the tombstone, pea plants with straight attack mode can't penetrate the front tombstone and hit the back corpse. Only Korean cabbage with parabolic attack mode can cross the tombstone and hit the corpse, and the tombstone can be damaged, because the durability of the tombstone is also very high. If there is a tombstone, it will be damaged It's easier to concentrate fire and clear the light quickly to deal with the coming corpses. On the way, you can pick up the key. The key can unlock the locked door. Usually, you need to use a specified number of keys to open the door. You can get powerful plants and small game levels to challenge
In addition to the general level of planting your own plants, the other one is that there is a conveyor belt nearby that will always send plant cards. Just put the cards on the grid of the map and they will become plants. Make good use of your mind to place plants to break through the level.