Ocampo, Jason (April 4, 2009). "No Joke — PopCap Reveals Plants vs. Zombies". IGN (Interview). Archived from the original on April 5, 2009. Retrieved August 11, 2010. PC and Mac initially, with other platforms under consideration.
Ocampo, Jason (April 4, 2009). "No Joke — PopCap Reveals Plants vs. Zombies". IGN (Interview). Archived from the original on April 5, 2009. Retrieved August 11, 2010. PC and Mac initially, with other platforms under consideration.