Hi-Fi RUSH casts wannabe rockstar Chai and his allies as rebels taking on an evil robotics enhancement megacorp. Its defining idea is that the characters, world and combat sync to music, making the soundtrack part of the action’s identity rather than just its backdrop. That blend of action and rhythm gives the game a distinctive frame for its fights.
The Arcade Challenge! Update! adds two modes that put this rhythmic combat into different tests. BPM RUSH sends players against waves of enemies while the music’s beats per minute steadily increase as they progress, reaching 200 BPM in its final stages. Power Up! Tower Up! reworks Rhythm Tower: players climb floors and defeat enemy waves while using randomized upgrades to strengthen a downgraded Chai. These modes emphasize escalating pace and changing combat conditions, rather than presenting the same challenge in precisely the same way.
The update also includes earnable or discoverable rewards such as Photo Mode poses, stickers, outfits, shirts for Chai and special attacks featuring CNMN and Smidge.