Game overview
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. Gain levels, find loot and discover the history behind the Ninth Planet.
- Last tracked players
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- All-time peak
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- 24-hour change
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- Steam reviews
- 83.3% positive 12 reviews · via SteamSpy
Delayed observation · last tracked . Values marked unavailable are not estimated.
About this game Read the full description
You're a clone, spawned by an A.I, on a mission to save an alien planet from an invasion.
Control a customizable mech with over 100 different parts, gain levels, perks, find loot and discover data logs learn the history of the Ninth Planet.
Fast-paced combat where energy stores and shield will help keep you alive.
Use drones, flares, and sensors to gain the edge in a battle against hostile mechs and monsters.
Explore the dangerous land, caves, and vaults filled with hostile mechs, monsters, and raiders. Find containers filled with loot to upgrade your mech.
Mission-driven gameplay with free exploration.
Discover the secret of the Ninth Planet.
Main Features.
Control a customizable mech with over 100 different parts, gain levels, perks, find loot and discover data logs learn the history of the Ninth Planet.
Fast-paced combat where energy stores and shield will help keep you alive.
Use drones, flares, and sensors to gain the edge in a battle against hostile mechs and monsters.
Explore the dangerous land, caves, and vaults filled with hostile mechs, monsters, and raiders. Find containers filled with loot to upgrade your mech.
Mission-driven gameplay with free exploration.
Discover the secret of the Ninth Planet.
Main Features.
- Open world exploration.
- Mission driven gameplay with side missions.
- Mech customization.
- top down view.
- Fast paced combat.
- RPG elements.
- Single player.
Media gallery 13 screenshots · 0 videos
Screenshots
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Player activity
Concurrent players over the last 48 hours.
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System requirements Windows
Windows
Minimum
Minimum:- OS *: Windows 7, Windows 8, Windows 10
- Processor: Intel i5 3.20GHz or equivalent AMD processor or equvalent and above
- Memory: 4 GB RAM
- Graphics: 1 GB nVidia Geforce GT460 or eqiuivalent, AMD Radeon R9 200 Series or equivalent
- DirectX: Version 10
- Storage: 3 GB available space
- Sound Card: DirectX 9 Compatible Audio
- Additional Notes: Designed with aspect 16:9 in mind.
Recommended
Recommended:- OS *: Windows 7, Windows 8, Windows 10
- Processor: Intel i5 3.20GHz or equivalent AMD processor or equvalent and above
- Memory: 4 MB RAM
- Graphics: 1 GB nVidia Geforce GTX660 or equivalentAMD Radeon R9 200 Series or higher
- DirectX: Version 10
- Storage: 3 GB available space
- Sound Card: DirectX 9 Compatible Audio
- Additional Notes: Designed with aspect 16:9 in mind.
Game details Languages, features & support
- Publisher
- Jötunn Games
- Achievements
- 17
- Features
- Single-player, Steam Achievements, Family Sharing
- Languages
- English*
*languages with full audio support - Website
- Official website ↗
- Support
- [email protected] Support site ↗
Compatibility & accessibility Steam Deck, controllers & access features
Can I Play This?
Steam declarations and Valve's Steam Deck compatibility result. Missing data is shown as unknown, never unsupported.
Native Steam builds
Windows: unknown
macOS: unknown
Linux: unknown
Steam Deck
playable
Valve compatibility test
Input
Controller support: unknown
Structured language support (1)
| Language | Interface | Full audio | Subtitles |
|---|---|---|---|
| English | Yes | Yes | Yes |
Steam store page
fresh · checked 2026-11-01
PCGamingWiki technical notes
External link only; SteamIQHQ does not ingest PCGamingWiki content.
More analysis Activity patterns, updates & developer tools
Game Insights
Buy Verdict
Watch — $4.99.
Decent deal at 0% off, but might drop further. Watch for better opportunities.
▲
~17 days until next sale
Value Score
Great Value — 88th percentile.
Price-to-player ratio ranks in the 88th percentile. Priced as Market at $4.99.
▲
Market pricing tier
Genre Benchmarks
Value Ratio
Top 12%
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Developer Analytics
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Frequently Asked Questions
Is Planet Nine worth buying right now?
Watch — $4.99. Decent deal at 0% off, but might drop further. Watch for better opportunities.
When does Planet Nine go on sale?
Decent deal at 0% off, but might drop further. Watch for better opportunities.
Is Planet Nine free to play?
Planet Nine costs $4.99 on Steam.
What genre is Planet Nine?
Planet Nine is a Action, Indie, RPG game.
Who developed Planet Nine?
Planet Nine was developed by Jötunn Games and published by Jötunn Games.
What platforms does Planet Nine support?
Available on Steam for Windows.
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