Minefield

Minefield is a minigame where you can only use exploding plants. It is set on day

Common:

 * Potato Mine
 * Explode-o-nut
 * Tiny Cherry
 * Electric Cherry Bomb

Uncommon

 * Jalapeno
 * Cherry bomb
 * Baby Pepper
 * Copy Plant (I know it isn't a exploding plant but the zombies explode too)
 * Machu Peachu (Yeah just like above except with plants)

Rare

 * Pistachio Cannon
 * Pistachio Artillery
 * Nutcrackler
 * Habareno

Ultra Rare

 * Cob Cannon
 * Banana Launcher
 * Nuke Shroom
 * Trinidad Scorpion Butch T

All (Because explosives are mostly instant kills)

 * Explosive Barrel Zombie
 * Magmatic Zombie Slime
 * Tiny Bomber Zombie
 * Jack-in-the Box Zombie
 * Giga Zombie
 * Weaker Gargantuar
 * Prospector Zombie