The only difficulty here was the boss, which was the Conehead Mummy. It had higher health than the other zombies, but, with the player's plants, that shouldn't have been a problem.
Enemies[]
Conehead Mummy x1 (Leader)
★
Health: 4536
Fighting Power: 457
First Strike: --
Special: [Low-level defense]
Attack: Deals damage to target.
Skill: The zombie uses its bandage whirlwind to attack, posing a threat to enemies in front of it.
Leader Skill: [Primary militantness high]
Mummy Zombie x2
★
Health: 3780
Fighting Power: 452
First Strike: --
Special:
Attack: Deals damage to target.
Skill: The zombie uses its bandage whirlwind to attack, posing a threat to enemies in front of it.
Leader Skill: [Primary militantness high]
Strategy[]
Drag the plants into the lawn. Use other users' plants to have even more power.