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....  more