Last 7 days · history since Nov 1, 2026
Screenshots, achievements, specs, every price change and sale we've seen on Steam, and trading cards.
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Steam prices for United States (change the country in the top bar), and Steam keys from authorized stores.
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50% positive of 2 · 2 user reviews · Live from Steam
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Mission on the planet is a 3D platform game. A robot called Martin X arrives to the planet Cellus with his spaceship. He has a mission: aliens have kidnaped doctor Hugo and Martin has to rescue him. Player has to find, where aliens keep doctor Hugo and eliminate obstacles and enemies on the way.
Live data from Steam, tracked by SteamPlayerBase.
What changed on Steam for this game since we started following it: prices and sales, builds, name, release date and review score.
Review score: 50% on 2026-11-01 → 50% today (2 reviews)
No authorized Steam key store lists this game right now.
Not tested by Valve yet. Results from Valve's own testing.
Valve hasn't published test details for this game.
Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.
Improved warrior shooting behavior.
Improved Zombie behaviour.
Corrected bug which occurred in some situations while shooting.
Improved dragon's behaviour in level 3.
Added spiders to level 3 and 6.
Changed game installation so that it installs 64-bit Java, if user have 32-bit Java installed.
Please note that this game requires 64-bit Java.If you run this game with 32-bit Java, the next level may not be loaded.You can check, which Java you have with command: Java -version in command prompt. If you have 32-bit Java, you may install 64-bit Java here:…