BGM Update
We've updated HOSHIKUI's background music with new and improved tracks. The new BGM better matches the atmosphere and pace of the game, making your journey through space more immersive. We hope you enjoy the new sound of HOSHIKUI!
Developer posts and news about this game.

We've updated HOSHIKUI's background music with new and improved tracks. The new BGM better matches the atmosphere and pace of the game, making your journey through space more immersive. We hope you enjoy the new sound of HOSHIKUI!

An opening prologue now plays when you start a run. It traces the universe from its first heat and density, through the forming of matter and the ignition of the first stars, to the cold that waits at the end — and to the one body that wakes before it. - Roughly one minute, rende

A short, hands-on tutorial now runs at the start of your very first game, and you can replay it any time from Title → Other → Tutorial. - Seven steps, and every one of them advances from something you do — never from a timer. Move, burn, devour your first star, take your first up

The Lab has a new look! - Explore a spiral skill tree, progressing from the outer planets toward Infinite Dash at the center. - Each research group now has distinct planet designs and clear labels. - Unresearched planets appear gray; completed research brings them to life with co

Stars now feature richer surface detail and more refined lighting. Ice planets and ice grains have sharper crystalline features and a colder glow, making them both beautiful and visibly dangerous. The cold front also has new frost effects and heat-draining particles, making its t