Accomplish the indicated achievement to get the corresponding number of Gamerscore points:

Paint the town red! (10 points): Win a Zombie match in Local Play against two or more CPU players.
The Name's Bomb, Dangerous Bomb (10 points): Take out three CPU players at once in a local game.
Exterminator (10 points): Win 15 Local matches against three or more CPU players.
Totally Bombed! (10 points): Win a Local match against three or more CPU players after being in a Super Revenge Cart.
Completely Unstoppable! (10 points): Remain undefeated for five consecutive four or more player Xbox Live games.
You die so good! (15 points): Score 25 Frags in an Xbox Live Zombie Match.
The Bomb! (15 points): Win 30 Xbox Live games.
Joy of Painting with Bomberman (20 points): Claim 130 or more tiles in a Local Zombie match against three or more CPU players.
The Good, The Bad and The Bombed (20 points): With the full cowboy outfit, Frag another cowboy in an Xbox Live match.
Girl Power! (25 points): With a full female outfit win an Xbox Live four or more player girl only match.
Did I just win… again?! (25 points): Go on a winning rampage and win 10 consecutive matches in a Ranked Tournament.
Extreme Makeover! (30 points): Collect 60 Costume Balls.