Official Plants vs. Zombies: Garden Warfare 2 Trials of Gnomus Gameplay Trailer (2016). Plants vs. Zombies™ Garden Warfare 2. Trials of Gnomus unleashes tons of new content, including all-new game modes, a mysterious gnome merchant with an inventory of rare goods, an enigmatic new underworld to explore and unlock never-before-seen items, and much more. br br Check our live events calendar at (). To learn more on how to join the battle for Zomburbia, visit the Plants vs. Zombies Garden Warfare 2 website ().