All in Jest

Difficulty: Easy-Hard

All in Jest is an achievement in  Plants vs. Zombies 2: It's About Time where you must complete a level without letting a Jester Zombie deflect a normal projectile. It is recommended to avoid planting projectiles from plants in which the Jester Zombies deflect and use Fume-shrooms.

Strategies
The best strategy to do is in the fifth night in Dark Ages, the first level where you will encounter Jester Zombies. Avoid using pea-shooting plants, Puff-shrooms, lobbed-shot plants, Coconut Cannons, Bloomerangs, or Citrons at the Jester Zombies; otherwise, the achievement cannot be earned. It is recommended to only use Fume-shrooms and Sun-shrooms, along with Tall-nuts (if upgraded with Plant Food). Remember that Jester Zombies cannot deflect giant peas (from Pea Pods), or giant plasma balls (from Citrons).

Another good idea is when you play Last Stand on Night 6 where it is recommended to use only Fume-shrooms, Snapdragons, Spikeweeds/Spikerocks.