Released on , this update introduced the Frozen Tour event and several other major additions. Core Features of Update 1.5.5
: A special event where players compete in 9 consecutive races . Rankings are determined by a score system involving total lap points, KOs, and Gem Sparks collected during the races. fzero 99 nspupdate 155rar exclusive
: Players can encounter "Star Rivals"—legendary characters like Captain Falcon, Samurai Goroh, Dr. Stewart, and Pico —on frozen tracks. Beating them as a designated rival unlocks special Pilot Card badges. Released on , this update introduced the Frozen
: The maximum player level was raised from 399 to 699 , with new star colors to distinguish high-level veterans. Safety and Installation appearing as "frozen tracks".
: All standard tracks were covered in snow, appearing as "frozen tracks".