Yes, I can help you create a Tetris game in C#.

Typically, a Tetris game would require several classes to handle different aspects of the game. Here is a rough breakdown of the classes you might need:

1. GameBoard: This class would represent the game board and handle the logic for placing and removing blocks.

2. Block: This class would represent the individual blocks that make up the Tetris pieces. It would handle movement and rotation.

3. Tetromino: This class would represent the Tetris pieces made up of multiple blocks. It would handle the logic for creating and manipulating the pieces.

4. Scoreboard: This class would keep track of the player’s score, level, and lines cleared.

5. InputManager: This class would handle user input for controlling the game.

6. GameManager: This class would manage the overall game flow, including starting and ending the game.

These are just some of the classes you might need, and you can always add more depending on your specific requirements. Remember to plan your project and break it down into smaller tasks to make it more manageable. Good luck with your Tetris game!