Project Breakout is an immersive adventure game set within the confines of a simulated prison environment. Players must navigate daily routines while deciding whether to adhere to prison rules or rebel against them. The game offers various features, including the ability to train skills such as strength, stamina, speed, and intelligence, which are crucial for survival and eventual escape. Players can also engage in prison jobs to earn money, providing a realistic sense of life behind bars.

As players explore the prison, they can discover routines and security flaws that can be exploited for escape. Options include stealing from other inmates and guards to gather resources, crafting tools and weapons, or devising elaborate escape plans such as digging tunnels or creating explosives. The game emphasizes player choice, allowing for multiple strategies to achieve freedom from the prison.