The Trials of Gnomus Title update for Plants vs. Zombies Garden Warfare 2 has 12 achievements worth 250 gamerscore.
Collect 25 Rainbow Stars from the Mystery Portal
Complete 3 Mystery Portal Matches
Enter the Mystery Portal and Complete a Super Mix Event!
Discover the Secret Area…What can it be?
Enter the Mystery Portal and Complete a Full Game of Cats vs Dinos as a Cat
Enter the Mystery Portal and Complete a Full Game of Cats vs Dinos as a Dino
Enter the Mystery Portal and Defeat a Boss Hunt on Normal Difficulty
Enter the Mystery Portal and Defeat a Boss Hunt on Hard Difficulty
Enter the Mystery Portal and Defeat a Boss Hunt on Craaazy Difficulty
New Faces from Craazy Places
Meet the Contribution Requirement for 3 Community Challenges
Open 5 Community Challenge Reward Chests.