プロ野球スピリッツ2011 (Pro Yakyuu Spirits 2011) is a Japan-exclusive baseball simulation video game developed by Konami for the Nintendo 3DS. The game is the ninth installment in the Pro Yakyuu Spirits series, and was released on April 14, 2011. It is the first game in the series to be developed for the Nintendo 3DS. In Pro Yakyuu Spirits 2011, players can choose from a variety of teams and players from the Japanese professional baseball leagues, and customize their own teams. The game features a variety of modes, including Exhibition Mode, League Mode, and My Life Mode. In Exhibition Mode, players can compete in a single game against the computer or another player. In League Mode, players can compete in a full season of games, while in My Life Mode, players can manage their own teams and compete against other teams. In addition to the game modes, Pro Yakyuu Spirits 2011 also features a variety of options to customize the game. Players can adjust the difficulty level, set the game length, and choose the weather conditions. Players can also customize the rules of the game, such as the number of innings, the number of players, and the number of balls and strikes. Pro Yakyuu Spirits 2011 has received generally positive reviews from critics. Many praised the game for its realistic graphics and detailed gameplay. Others praised the game for its customizable options and for its ability to provide a fun and challenging experience.