Level 4-1 is a test of adaptability. It strips away your visibility and challenges you to build a defense against an unseen enemy. By prioritizing for vision, Wall-nuts to stop explosions, and Fume-shrooms for consistent damage, you will not only beat "plants vs zombies 4-1" but you will master it.
⭐⭐½ (Deceptively tricky for a first stage) Fun Factor: ⭐⭐⭐⭐ plants vs zombies 4-1
While you will still face the standard Browncoat zombies and Conehead/Buckethead variants on the grass lanes, the Snorkel Zombie is the star of the show. Level 4-1 is a test of adaptability
Standard strategies apply here. A
Since it is a night level, you should focus on nocturnal plants to manage your sun economy: Plants vs. Zombies Wiki Contributors to Plants vs. Zombies Wiki ⭐⭐½ (Deceptively tricky for a first stage) Fun
Spam Puff-shrooms on land and Sea-shrooms in the water to handle the first few zombies without spending sun.