Zombologist

Difficulty: Medium-Hard

Zombologist is an achievement that can be earned in the iOS, Steam, and PlayStation Vita versions of Plants vs. Zombies. This achievement is earned by finding the Zombie Yeti. It is the equivalent of the Cryptozombologist achievement available through the Steam Game of The Year edition.

To find the Zombie Yeti, the player must reach the Fog Level 4-10 in their second Adventure Mode playthrough. They will earn this achievement even if they do not kill it.