User blog comment:Wallnut3457/Ideas for I Zombie levels/@comment-4618066-20120501173027

Giga-dimension:Night, seven columns of plants, each zombie has double health, costs 40,000 coins

Zombies:Imp, Normal, Conehead, Buckethead, Peashooter Zombie(150), Gatling Pea Zombie(500), Screen Door Zombie.

Plants:Gatling Pea(5), Twin Sunflower(8), Gloom-shroom(6), Winter Melon(2), Snow Pea(6), Spikerock(1), Kernel-pult(7)

For completing you unlock Giga-dimension Endless and Vasebreaker level No Bites, No Problems(I will make soon). But if you already bought it you get 40,000 coins.