Visit a friend's Backyard Battleground, or have a friend visit your Backyard Battleground.

As Super Brainz, vanquish 25 Plants with Heroic Fists, and 25 Plants with the Heroic Beam.

Enter the Zombie Stats room as a Plant.

Apply a weapon skin to a Zombie's weapon.

As a Plant, vanquish the Z7 Imp.

Hack the Data Vault and brace yourself for Cyber's Avengening in Dead Ops Arcade 2.

Use an enemy combat robot to kill 10 enemies.

Hit someone with the old lady Level Interaction

Perform 1 Fatality in a match

In Campaign, kill 10 enemies in under 3 seconds.

Earn a gold medal in a vehicle challenge

In Campaign, kill an enemy through a wall or obstruction.