Sharpshooter

www.yyrgames.com - An intense test of your target-shooting skills! Experience 20 unique games, dynamically-adjusting difficulty, and optional Double Mode where you play with two guns at once! Compete with a friend in two multiplayer modes, or compete online with Internet Ranking! Will your skills be enough to earn the top grades? Also includes "The Best of Xbox LIVE Indie Games, Volume 1."

Source:

xbox.com