They Came from Another Planet
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About They Came from Another Planet
They Came from Another Planet is a pixel-art fixed shooter in which you play a blue house cat with a stretchy head, defending Earth from invading aliens. You shoot aliens from your ears and fight across Earth, under the ocean and in space.
Collect stars
Defeated aliens drop stars. Collect them to level up and grow stronger, or stretch your head to gather more at greater risk of being hit. Stars also add points, which you can use to enter your initials on the high-score table if you score enough.
Risk and survival
When you are hit, your head splits and must reconnect before your life meter runs out. Leveling up by collecting stars helps you survive longer while split, so you can choose between taking risks for more stars or playing more safely. Aliens sometimes drop power-ups, including speed increases, faster firing, double shots, spread shots and missiles.
Frequently asked questions
Yes. They Came from Another Planet is free to play on Steam, so there is nothing to buy to start playing.
The minimum requirements for They Came from Another Planet are: Windows 10, Intel Core i5, 8 GB RAM, 40 MB storage. It runs on Windows only. The recommended specs are in the System requirements section.
No. They Came from Another Planet is a single-player game.
Yes. Valve rates They Came from Another Planet as Verified on the Steam Deck: it runs well out of the box.
Yes. They Came from Another Planet is the full base game. You need nothing else to play it.











