KALPA, the mobile 5-key authentic rhythm game, is finally on STEAM! A cosmic pattern gourmet! Whether you're a rhythm game beginner or a rhythm game superstar, KALPA's unique patterns will push you to your limits! Fantastic music by famous composers Only KALPA! Includes original songs by famous composers such as "Morimori Atsushi, " "Ice, " "Team Grimoire, " "Juggernaut, " "HyuN, " and more! The best collection of rhythm games that you can enjoy even if you don't know KALPA! Famous songs from other rhythm games such as 'Halcyon', 'Sound Chimera', 'The Last Page', 'Äventyr', 'L2 -Reminiscence-', 'GOOD Series', and more. Enjoy familiar songs you've heard before in KALPA! Cute and cool original characters! From the main character, Kalpa, to the spirit, Noah, and the 12 cute and cool constellation guardians, you'll find beautiful characters unique to the KALPA universe. Detailed customization! A customization system that allows you to adjust not only the "gear, " "notes, " and "background, " but also the "judgment line, " "panel size, " and other detailed settings to suit your preferences! We have prepared maximum customization to eliminate inconveniences that are important for rhythm games!