Plants Vs. Zombies Heroes Preview - PopCap Dives Into Collectible-Card Gaming With Plants Vs. Zombies Heroes - Game Informer

The mobile game features hundreds of cards to collect, and it's coming worldwide in 2016.

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How PopCap entered the CCG genre with Plants vs. Zombies Heroes

How PopCap entered the CCG genre with Plants vs. Zombies Heroes

Zombie - Wikipedia

Plants vs. Zombies Heroes VN

Plants vs. Zombies Heroes Zombie Card Guide – Gamezebo

Combining every plant card with a counterpart with it's zombie

Pairs well with the Headhunter! : r/PvZHeroes

All Your Base Are Belong to Us: How Fifty Years of Videogames

New Event System Comes to PvZ Heroes this Feastivus

Plants vs. Zombies: Heroes (Video Game) - TV Tropes

Plants vs. Zombies: Heroes collectible card game announced

Plants vs. Zombies™ Heroes - Apps on Google Play

Plants Vs. Zombies Heroes - Game Informer