Hearth is an innovative application designed for open-ended game development using AI agents. It allows users to type their game ideas and receive real-time coding assistance from an AI, creating a seamless development experience. The application supports multiple platforms including macOS, Windows, and Linux, and is completely free to use. Hearth is particularly notable for its unique agent feature that remembers past interactions, enabling iterative improvements based on previous sessions. The tool integrates with various coding agents, allowing users to choose their preferred model for game development.

The application provides a straightforward interface where users can manage project files and engage in conversations with the coding agent. Hearth operates without requiring a specific project format, making it flexible for different game types. Each project is stored locally, ensuring that users maintain full control over their files without any lock-in. Overall, Hearth is a powerful tool for developers looking to leverage AI in their game creation process.