Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock
Classic Win (45 points)	Win a complete game in 16-man roster against the CPU (1 Pitcher).
Clean Sweep (45 points)	Sweep the Postseason (either mode).
Couch Play (15 points)	Play a local multiplayer game.
Grand Tour (30 points)	Play a game in all 30 Stadiums.
Home Run Flurry (20 points)	Hit 3 Home Runs in a single inning in an online Smart Match..
In Your Crawl Space (45 points)	Mercy Rule an opponent in an online Smart Match.
Midsummer Classic (45 points)	Win an All-Star Game in Season Mode.
Online Ownage (50 points)	Win 50 online Multiplayer games.
Plunked (15 points)	Hit batter with a pitch.
Punchout (15 points)	Strike Out the CPU.
R.B.I. Master (150 points)	Hit 1000 RBIs.
R.B.I. Skills (100 points)	Hit 50 RBIs with the same player in a Season.
Salami (60 points)	Hit a Grand Slam (Against CPU or Online Smart Match Only).
Speed Merchant (45 points)	Steal 25 bases in online Smart Match.
Take a Seat (60 points)	Strike out the side against the CPU.
Tater Time (15 points)	Hit a home run (Against CPU or Online Smart Match Only).
Thievery (15 points)	Steal a base (Against CPU or Online Smart Match Only).
Walk Off (30 points)	Hit a Walk-Off Home run (Against CPU or Online Smart Match Only).
World Champs (200 points)	Win the World Series in Season Mode.