Miami: Idle Underground is a free simulation game available on Android, immersing players in the vibrant 1980s Miami scene. Players start with a humble cane field and aim to expand their empire through various local businesses, from pastry carts to luxury penthouses. The game allows users to automate operations, generating passive income while they are away. With a unique 'Buy Max' upgrade system, players can quickly enhance their businesses and watch their profits soar.

Players can recruit a diverse cast of 1980s-themed operators, each with unique abilities to manage and speed up production. The game features a wide array of retro gear and power-ups, enabling players to customize their crew and enhance business efficiency. Additionally, players engage in grid-based logistics operations, navigating shipping yards to uncover rewards. With numerous levels, operators, and items to collect, Miami: Idle Underground offers a rich and engaging simulation experience.