"Cuphead" is a challenging run-and-gun action game with a unique 1930s cartoon art style. In the game, you play as Cuphead or Mugman (in single-player or co-op mode) as you traverse through various levels, defeat bosses, and collect contracts to repay the devil. To play, use the arrow keys or a controller to move Cuphead, and use the "X" button to jump and the "C" button to shoot. You can also hold down the "C" button for a charged shot. Throughout the game, you'll encounter a variety of enemies and obstacles that require quick reflexes and strategic thinking to overcome. Boss battles are a major part of the game, and each boss has unique patterns and attacks that you'll need to learn to defeat them. As you progress, you'll unlock new weapons and abilities that can help you in your journey. "Cuphead" is known for its high difficulty level, so be prepared for a challenging but rewarding experience. Keep practicing, learn from your mistakes, and don't be afraid to try different strategies to overcome the game's tough challenges.