Ask if your local dentist has the limited-edition, collectible Plants vs. Zombies™ trading cards with the code for a free Plants vs. Zombies download game. Or, download printable free-game coupons.
Then, give the cards or coupons away as a Halloween treat. Coupons are redeemable Oct. 30 – Nov. 10, 2012
FREE Plants vs. Zombies PC/Mac Game Download -EXPIRED