SFM - Zombies on your Lawn [DTube]

The following Gmod addons were used;

Map: http://www.garrysmod.org/downloads/?a=view&id=95561

http://www.garrysmod.org/downloads/?a=view&id=101035
http://www.garrysmod.org/downloads/?a=view&id=53742
http://www.garrysmod.org/downloads/?a=view&id=100857
http://www.garrysmod.org/downloads/?a=view&id=131869
http://www.garrysmod.org/downloads/?a=view&id=109315

The song is, obviously, Zombies on your Lawn, the ending credits song to Plants vs Zombies.