Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Ball Owner - 1PA	Win 1P Arcade Medium.
Ball Owner - 1PN	Win 1P Medium.
Ball Owner - COA	Win Coop Arcade Medium.
Ball Owner - CON	Win Coop Medium.
Champion! - 1PA	Win 1P Arcade Hard.
Champion! - 1PN	Win 1P Hard.
Champion! - COA	Win Coop Arcade Hard.
Champion! - CON	Win Coop Hard.
Piece of Cake - 1PA	Win 1P Arcade Easy.
Piece of Cake - 1PN	Win 1P Easy.
Piece of Cake - COA	Win Coop Arcade Easy.
Piece of Cake - CON	Win Coop Easy.