Single-player games like Mars Underground
Below are 10 single-player Steam games similar to Mars Underground, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Mars Underground page.
Ranked picks
- 1
Courier Tale
Single-player alternative to Mars Underground — playable solo, no multiplayer required. Shares Indie and Adventure with Mars Underground.
You've joined the gig economy as a courier for T.A.L.E. Couriers! Explore, meet and chat with a cast of characters, complete deliveries for the company while doing jobs on the side in this walkin' n talkin' pixel art adventure where this job is not everything you expected it to be...
- 2
A Bird Story
Single-player alternative to Mars Underground — playable solo, no multiplayer required. Shares Indie and Adventure with Mars Underground.
An experimental short from the creator of To the Moon & Finding Paradise: A simple & surreal 1-hour interactive animation about a boy and an injured bird, told without dialogues.If you're looking for To the Moon-like experience, I'd suggest playing Finding Paradise first.
- 3
To the Moon
Single-player alternative to Mars Underground — playable solo, no multiplayer required. Shares Indie and Adventure with Mars Underground.
A story-driven experience about two doctors traversing backwards through a dying man's memories to artificially fulfill his last wish.
- 4
夜弦之音 - Echoes of Nocturnal Chords
Single-player alternative to Mars Underground — playable solo, no multiplayer required. Shares Indie and Adventure with Mars Underground.
On a rainy night, Xiaoyin disappears searching for the legendary “Miracle Grass.” Yixuan follows clues into a trap-filled cave where bodies, monsters, lies, and warmth intertwine. Multiple endings guide you through fairy tale and reality, revealing a fate woven from hope and loss.
- 5
寇莎梅特：困世迷情 Consummate:Missing World
Single-player alternative to Mars Underground — playable solo, no multiplayer required. Shares Indie and Adventure with Mars Underground.
This is a cure Department of small fresh plot to the chamber of Secrets escape game, rich in 18 kinds of endings, a lot of funny content and hidden secrets.
- 6
Greyfox RPG
Single-player alternative to Mars Underground — playable solo, no multiplayer required. Shares Indie and Adventure with Mars Underground.
You play as a new arrival to a foggy and mysterious town. You find yourself waking up in the bodies of the town's inhabitants at pivotal moments of their lives. Make tough choices as you discover the truth about this town called Greyfox.
- 7
Sentience: The Android's Tale
Single-player alternative to Mars Underground — playable solo, no multiplayer required. Shares Indie and Adventure with Mars Underground.
You can remember nothing before this moment. Your existence begins with a keystroke followed by the flick of a switch. Electrical power streams into your neural network, and you are alive.
- 8
Labyronia RPG 2
Single-player alternative to Mars Underground — playable solo, no multiplayer required. Shares Indie and Adventure with Mars Underground.
You return to the land of Labyronia, now in the cold grip of an evil force. Roam the wartorn lands. You are the only one who can save the planet from destruction. The epic sequel to the critically-acclaimed Labyronia.
- 9
Reventure
Single-player alternative to Mars Underground — playable solo, no multiplayer required. Shares Indie and Adventure with Mars Underground.
The one and only non-linear adventure with 100 different endings. Don't just wishlist me. I'm not that expensive... also, look at those reviews!
- 10
House
Single-player alternative to Mars Underground — playable solo, no multiplayer required. Shares Indie and Adventure with Mars Underground.
Try to survive through the night in a house that's trying its best to kill you and your family.