Episode 1

New things

 * 1-costume cats in Level 1
 * Peashooter in Level 1
 * Sunflower in Level 1
 * Classic levels in Level 1
 * 2-cosutme cats in Level 2
 * 3-costume cats in Level 4
 * Onslaught levels in Level 5
 * Wall-Nut in Level 6
 * Tall-Nut in Level 9
 * 4-costume cats in Level 9