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Planet Nine

ActionRPGPCSoloBuy · from $4.99

About this game

Control a customizable mech while exploring an alien world in a top down view. Your mission, set by an A.I. is to save the Ninth planet from an alien invasion.

Last checked 6 Nov 2026

Available since (your time)
Player receptionPositive80% positive · 10 Steam reviews ↗

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Planet Nine

Control a customizable mech while exploring an alien world in a top down view. Your mission, set by an A.I. is to save the Ninth planet from an alien invasion.

Player reception: Positive · 80% positive · 10 Steam reviews

Available on Steam (PC) — Buy · from $4.99, checked 6 Nov 2026.

More about Planet Nine

Planet Nine is a single-player game where players control a customizable mech with over 100 parts to save an alien planet from invasion. The game features top-down exploration of dangerous environments, fast-paced combat with energy and shield mechanics, and RPG elements like leveling, perks, and loot collection. Players uncover the planet's history through data logs and explore open worlds with caves, vaults, and hostile entities. Mission-driven gameplay includes side quests and a focus on strategic combat using drones, flares, and sensors.

Availability historyPast official availability changes
  • BuySteam · PC · 15 Oct 2026