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

Saloon Server (10 points): Successfully complete the Saloon levels.
Good Guesser (10 points): Guess the correct can of root beer on a bonus level.
Careful (10 points): Make your way to the Sports Bar without losing a life.
Tip of the Day (10 points): Collect 3 tips during an Xbox Live Co-op game.
Competitive (10 points): Win 10 Xbox Live Ranked Matches or 10 Xbox Live Player Matches.
Sports Bar Server (15 points): Successfully complete the Sports Bar levels.
Punk Bar Server (20 points): Successfully complete the Punk Bar levels.
Team Score (20 points): On Xbox Live, obtain a Co-op score of 80,000 or more.
Saloon Master (15 points): Obtain a score of 7,000 in level 1 without losing a life.
Champion (20 points): Win 50 Xbox Live versus games.
Alien Bar Server (30 points): Successfully complete the Alien Bar levels.
Guessing Master (30 points): Guess the correct can of root beer on 4 consecutive bonus levels.