The Legends of the Lawn Title update for Plants vs. Zombies Garden Warfare has 10 achievements worth 250 gamerscore.
Defeat a Vampire Super Wave
Vanquish 50 Vampire Zombies
Collect 7 Diamonds from the Treasure Yeti
Vanquish a Treasure Yeti in Garden Ops
Collect 50 Crazy Orbs in Vanquish Confirmed
Capture 20 Gardens in Suburbination
Summon a Backup Dancer, Vampire Zombie and Heal Zombie
Grow a Laser Bean
Vanquish a Zombie carrying a Nacho Taco in Taco Bandits
Vanquish Baron von Bats in Garden Ops