Osta Kalpa: Cosmic Symphony PC

Beautiful characters, a grand story, and an incredible soundtrack.

A next-generation story-driven rhythm game where your performance dictates the fate of the world.

■ A new experience where the story meets rhythm.

「KALPA: Cosmic Symphony」 is a next-generation rhythm game crafted with beautiful characters, a vast story, and a diverse range of music and ways to play them.

Jump in and experience the moment your performance changes the world.

■ Charming Characters and an In-Depth Story

Meet a cast of beautiful and charming characters, each with their own unique personalities and backstories.

Full-fledged story chapters of exceptional quality.

Customize your own player avatar and more with characters featured in the story though the 「Companion」feature.

■ A Massive Tracklist

Featuring original songs from renowned composers, exclusive to KALPA, alongside legendary fan-favorites that will be familiar to any rhythm game enthusiast.

Whether you're new to KALPA or a seasoned veteran, you'll find plenty to enjoy with rhythm game classics and hit songs like 'PUPA (Endorfin. Remix)', 'Brain Power', ‘Rainy Waltz’, 'L2 -Reminiscence-', 'Halcyon', ‘Altale’, 'Sound Chimera’, ‘キミとボクへの葬送歌’, 'Giselle', 'INFiNiTE ENERZY -Overdoze-' .

Furthermore, numerous talented artists who have made their mark global rhythm game scene, such as [TORIENA], [USAO], [ミツキヨ], [xi], [Nauts] have contributed to provide an even richer musical experience.

■ A Variety of Play Modes

KALPA’s diverse range of modes provides a constant stream of new fun, ensuring every player can find a style that's perfect for them.

• Story Mode: Dive into a unique experience where narrative and music intertwine.

• Free Play: Play any song you want freely.

• Multiplayer: Play together with friends.

• Ghost Random Match: Experience the joy of encountering new songs and players through random selections.

• Ghost Ladder Match: Compete and improve through the Ghost Ranking System.

• Astra Mode: Face the ultimate stage for endless challenges.

■ Introducing Astra Mode

• Composer Charts: Play charts created by the very artists who composed the music for KALPA.

• Ranker Charts: Challenge yourself with charts designed by rankers recognized for their skill in other rhythm games.

• Content That Grows with the Community: By involving not only our development team but also key figures from the rhythm game scene, we've added a new level of depth and quality.

■ The KALPA Experience

• An experience that goes beyond mere score-chasing, where the performance itself drives the story forward.

• A cosmic fantasy woven together with charming characters, grand visuals, and a symphonic OST.

• A moment where your choices and your performance will change the fate of the world.

Experience the moment your performance becomes the final melody.