In an interesting team up, the American Dental Association (ADA) and Pop Cap games want to redefine treat, for halloween this year. Instead of giving away candy, you can obtain free copies of Plants vs Zombies to hand out. If you would like to join in on this promotion, simply head here and request your codes. Additionally, you can ask your local dentist if they’re taking part and maybe score a limited edition Plants vs Zombies card.
While this is an interesting promotion, keep in mind that these won’t unlock the iOS or Android versions. However, it’s good to see companies supporting a good cause.