Level 5

Difficulty

 * New level type. Last Stand Onslaught Mode. You can't use sun production plants and plants with no cost. Make up your board with PeaShooters and press K to begin
 * Since Cats come out faster and you need 20, you need a lot of peashooters
 * Up to 3 cats can appear on screen which 2 layers of cats can be seen

Strategy

 * Since no Sunflowers can be used, try to place more than 3 peashooters to make this disaster for cats and win it easily

Trivia

 * This is the first onslaught level.