- September 9, 2026
- haizai
Planet Nine
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About Planet Nine
Planet Nine is a single player casual puzzle game with a science fiction theme. It was developed by haizai and was released on September 9, 2026. It received neutral reviews from players.
Out there somewhere, but nobody has found it — a planet merge puzzle themed around "Planet Nine" Launch planets like billiard balls and merge matching ones, growing from tiny Mercury toward the ninth planet 3-5 minutes per run, played with a mouse. Scores go to global leaderboards
Games Like Planet Nine
Looking for games like Planet Nine? Here are top casual puzzle recommendations with a science fiction focus, selected from player-similarity data — start with CatMelon - Suika Game, Cat & Farm Pals or Hexalith.
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Frequently Asked Questions
Planet Nine is a casual puzzle game with science fiction theme. Common tags for Planet Nine include science, futuristic, indie, score attack, relaxing and others.
Planet Nine is available on PC, Mac OS and Windows.
Planet Nine was released on September 9, 2026.
Planet Nine was developed by haizai.
Planet Nine has received neutral reviews from players.
Planet Nine is a single player game.
Similar games include CatMelon - Suika Game, Cat & Farm Pals, Hexalith, POOOOL, Suika Sprunki Edition and others.