Activate the Jukebox and make a zombie dance.
Unlocked: 07 Sep 2011 02:03:36
Put blockades on every door and window in one level.
Poo Dance
30Make ten infected zombies dance at the same time.
Nightshift
10Play five minutes in darkness.
All Traps
10Build every trap and a wood blockade in one level.
Bomber
10Kill twenty zombies with a single bomb trap.
Work force
10Employ 20 construction zombies at the same time.
Cactus Time
10While playing Mike, search four cacti in a row.
Build five blockades with super awesome finish in a row.
Multikill
10While playing Foxy, kill three zombies with one melee attack.
Complete all single player levels.
Medal Seeker
50Win all gold medals in all singleplayer levels.