Activate the Jukebox and make a zombie dance.
Put blockades on every door and window in one level.
Make ten infected zombies dance at the same time.
Complete all singleplayer levels.
Win all gold medals in all singleplayer levels.
Play five minutes in darkness.
Build every trap and a wood blockade in one level.
Kill twenty zombies with a single bomb trap.
Employ 20 construction zombies at the same time.
While playing Mike, search four cacti in a row.
Build five blockades with super awesome finish in a row.
While playing Foxy, kill three zombies with one melee attack.
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