Welcome to Mars 9
Welcome to Mars 9: The Tale of River is an old-school graphic adventure about a person adrift in space, rescued by a luxurious space station orbiting Mars. Playing as River, you will be drawn into a world of…
Welcome to Mars 9 is an adventure, released 16 September 2026 on Nintendo Switch and PC (Microsoft Windows).
What Welcome to Mars 9 is
Welcome to Mars 9 was released in 2026. It is available on Nintendo Switch and PC (Microsoft Windows). It runs on Unity. It carries an ESRB E age rating.
The premise, in the publisher's words
Welcome to Mars 9: The Tale of River is an old-school graphic adventure about a person adrift in space, rescued by a luxurious space station orbiting Mars. Playing as River, you will be drawn into a world of comfort and pleasure, only to soon discover that the station hides a dark secret.
How it plays
Its themes are science fiction. It is a single-player game with no multiplayer component.
What you need to run it
The minimum specification calls for 1.5 GHz Core2Duo. Both tiers are compared side by side on the requirements page, and you can check your own parts against them without installing anything.
What it launched against
Welcome to Mars 9 launched on 16 September 2026, within three weeks of Marvel's Wolverine, The Blood of Dawnwalker, Control Resonant and Onimusha: Way of the Sword. It arrived 9 years into the Nintendo Switch's life, so it was built for hardware developers already knew well.
Released around the same time: Marvel's Wolverine, The Blood of Dawnwalker, Control Resonant, Onimusha: Way of the Sword.
Official trailer
Sourced from the publisher’s YouTube channel.
Screenshots
All media
Quick answers
Welcome to Mars 9 — frequently asked questions
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