HOSHIKUI

A star that keeps losing heat. There is no attack button — crashing into other stars is your attack, your healing, your movement, and your exploration. Devour heat, grow heavier, and reach the galactic core before the heat death of the universe catches you.

At a glance

• Platform: Windows.
• Genres: Action.
• Release date: Aug 28, 2026.
• Delivered as a Steam library entitlement — activation is handled by Steam.

The developer has not published system requirements for this title on Steam.

Activate on Steam

• Open the offer above — it takes you to this game's official Steam store page.
• Buy it there, or if you bought a key elsewhere, open Steam and choose Games → Activate a Product on Steam.
• Enter the product code exactly as it was issued to you.
• The game appears in your Steam library — download and play.

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