"Cyber Bay" is a 2D rhythm action roguelike. The player takes on the role of the last surviving human on Earth, fighting against a zombie apocalypse caused by artificial intelligence (AI) that has decided that humans don't deserve to live.

The player's main objective is to survive in a world overrun by zombies and find ways to destroy the AI. The player will explore various locations, fight zombies, gather resources and weapons, improve their skills and equipment, and fight bosses.

Key features of the game include:

• Rhythm action gameplay where the player must fight zombies according to the musical rhythm.
  
• Roguelike elements, such as randomly generated locations and random events.
  
• Progression system that allows the player to improve their skills and equipment.
  
• Day and night cycle that affects encountered enemies and events.
  
• Various bosses that require special strategies to defeat.
  
• Unique chip system that allows the player to slow down zombie reactions, but has its drawbacks.
  
• Pixel art graphics that convey the atmosphere of a post-apocalyptic world.