Radiation Island Free is a thrilling survival adventure game developed by Atypical Games for the Android platform. As part of the Philadelphia Experiment, you find yourself stranded in an alternate reality and are tasked with finding your way back to the real world. The game features a huge open-world environment where you must use everything at your disposal to survive and solve the puzzles to escape.

The game offers a breathtaking environment with huge forests inhabited by dangerous animals such as wolves, bears, and mountain lions. You must also explore abandoned villages and military compounds filled with zombies guarding vital tools, weapons, and clues. The game offers a full day-night cycle, where you must face the dangers of darkness and harsh weather conditions. You can even swim and dive but must be wary of hungry crocodiles.