Go on a Killing Spree.
Grab the Awesome Sword.
Taunt one of your enemies.
Perform a Double Kill on any game mode.
Play on Tournament mode.
Get 5 kills using the Meteor.
Get a kill on a frozen enemy.
Score 80 kills.
Eliminate 20 enemies using the Megaton Hook.
Eliminate 4 enemies using the Microwave.
Score a goal in Soccer Mode.
Score three goals in a single match.
End a Soccer match with the score 7-1.
Perform a Triple Kill on any game mode.
Win a match in Soccer mode.
Score 10 goals.
Score the first kill on a match.
Eliminate the dominant enemy.
Reach the Unstopable status.
Reach the Godlike Status.
Fight in a Sudden Death brawl.
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