Run 3 at run3.app now offers a “survival mode,” where players must race against time and an ever-encroaching danger. In this mode, the tunnels begin to collapse behind the player, creating a sense of urgency and tension as they race to stay ahead. The collapsing tunnels add an extra layer of difficulty, as players must make quick decisions and react instantly to obstacles. This mode tests both reflexes and endurance, as players must see how long they can survive before the tunnels overtake them. Survival mode also includes a ranking system, allowing players to compete against others to see who can survive the longest. Power-ups scattered throughout the tunnels provide temporary boosts, such as increased speed or invincibility, giving players a fighting chance as the tunnels close in. The fast-paced, high-stakes nature of survival mode makes it one of the most thrilling additions to Run 3 at run3.app, offering a test of endurance and skill for players looking for a more intense challenge.