Plants vs. Zombies: GOTY Edition is now available with updated and expanded content including 20 new Steam Achievements, Steam Cloud support, and the interactive Zombatar™. Now with SteamPlay, Plants vs. Zombies can be played on either Mac or PC!

Source Plants vs. Zombies: GOTY Edition is now available with updated and expanded content including 20 new Steam Achievements, Steam Cloud support, and the interactive Zombatar™. Now with SteamPlay, Plants vs. Zombies can be played on either Mac or PC!

Source