Sonic Boom: Shattered Crystal (ソニックブームシャッタードクリスタル) is a Nintendo 3DS game released in 2014 in the United States. It is an action-adventure game developed by Sanzaru Games and published by Sega. The game is a spin-off of the Sonic Boom franchise and follows the story of Sonic and his friends as they attempt to save Amy Rose from the clutches of the evil Lyric. The game is a side-scrolling action-adventure game featuring the characters from the Sonic Boom franchise. Players take control of Sonic, Tails, Knuckles, and Sticks as they explore various levels and complete objectives. The game features a variety of different gameplay styles, such as platforming, combat, and puzzle solving. Players can also collect power-ups and items to help them progress through the game. The game features a variety of enemies, ranging from robotic foes to giant monsters. Players must use a combination of their character's special abilities to defeat their foes. Sonic Boom: Shattered Crystal also features a variety of boss battles, which require players to use their wits and skills to defeat their opponents. Sonic Boom: Shattered Crystal is an enjoyable action-adventure game for the Nintendo 3DS. It features a variety of gameplay styles, a variety of enemies, and challenging boss battles. The game is sure to please fans of the Sonic Boom franchise, as well as those looking for an enjoyable action-adventure game.