Yee-Haw! is an achievement in Plants vs. Zombies 2. It requires the player to complete Wild West - Day 25. It is worth 10 points on Game Center for iOS devices and 1,000 XP on Google Play Games for Android devices.
Before the 1.7. update, the player had to earn all the stars in Wild West in order to get this achievement.
The word "yee-haw" is a typical expression that is believed to be used by cowboys.
- After the 1.7 update, the icon still shows three stars, despite the omission of stars in the international versions.
- The middle star in the icon is a sheriff badge.