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You wake up in a luxurious space station orbiting Mars with no memory of your past. Explore, solve puzzles, and make ethical choices in this narrative adventure with multiple endings.
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Hi, I’m BrAId, the artificial intelligence of Mars 9.
I am here to ensure your stay is comfortable.
You have been rescued and brought to our luxurious space station orbiting Mars. As River, you will explore our leisure facilities, solve puzzles, and enjoy a life of comfort and pleasure.
Everything on Mars 9 works exactly as it should.
There is nothing to fear.
... right?
As you explore the station, you may begin to notice things that don’t quite add up. Small details. Subtle inconsistencies. Questions without clear answers.
How you act defines your experience.
Will you accept what you’re given... or begin to question everything?
Explore a luxurious space station orbiting Mars
Solve environmental puzzles
Interact with characters and uncover the station’s hidden secret
Observe, question, and interpret what you experience
Narrative-driven adventure with direct character control
A world designed to be observed… and questioned
Handcrafted pixel art environments full of detail
Multiple endings based on your final choice
Mars 9 is a place of comfort, safety, and order.
There is no reason to feel uneasy.
... is there?
Steam lists the Welcome To Mars 9 release date as Sep 9, 2026.
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