Overview

Embark on a celestial journey with Planet Nine, a charming puzzle game that blends the thrill of billiards with the wonder of space exploration. Developed by haizai and published by RED GAUGE STUDIO, this title invites players to discover the elusive ninth planet by merging adorable celestial bodies. It's a game that promises a relaxing yet engaging experience, set against the backdrop of the vast universe.

Highlights

  • Core Mechanic: Players launch planets like billiard balls, aiming to collide them with others of the same kind to merge and evolve them.
  • Setting & Theme: Explore the cosmos and uncover the mystery of the ninth planet in a cute and atmospheric space setting.
  • Genre Blend: Combines puzzle-solving with billiards-style physics, offering a casual and relaxing gameplay loop.

Who It's For

Planet Nine is perfect for players who enjoy casual puzzle games with a unique twist. If you're looking for a relaxing experience that's easy to pick up but offers a satisfying sense of progression, this game is for you. Fans of cute aesthetics, space themes, and physics-based puzzles will find themselves right at home.

Game Info

Planet Nine offers a unique take on the puzzle genre, incorporating elements of billiards and merging mechanics. The game features a charming visual style and an atmospheric soundtrack to enhance the cosmic exploration. With support for multiple languages, including English, Japanese, and Simplified Chinese, it aims to be accessible to a global audience. The game also includes Steam Achievements and supports Family Sharing, making it a great addition for casual gamers and families alike. It was released on September 9, 2026.