Description: Play the best online Plants Vs Zombies: Merge Defense free at Friv Strategy Games. Including Plants Vs Zombies: Merge Defense, Friv Normal, Friv Games, Friv4school online! Plants Vs Zombies: Merge Defense has free games that you can play Friv games online. Friv 5744 new free games are always being added. Join the fun and let your boys and girls be entertained for hours in Plants Vs Zombies: Merge Defense on FrivNormal.com!