Single-player games like The Message from Deep Space
Below are 8 single-player Steam games similar to The Message from Deep Space, 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 The Message from Deep Space page.
Ranked picks
- 1

TR-49
Single-player alternative to The Message from Deep Space — playable solo, no multiplayer required.
A World War II computer. An archive of lost books. A world-changing secret. Narrative deduction meets audio drama, from the creators of Overboard!, Heaven's Vault and A Highland Song.
- 2

Epigraph
Single-player alternative to The Message from Deep Space — playable solo, no multiplayer required. Shares Indie with The Message from Deep Space.
Epigraph is a short, challenging, language decipherment puzzle game.
- 3

The Roottrees are Dead
Single-player alternative to The Message from Deep Space — playable solo, no multiplayer required.
A genealogical mystery straight out of 1998. Scour the early Internet for clues, uncover hidden connections, and piece together the family tree behind the secretive Roottree Corporation.
- 4

Machinika: Atlas
Single-player alternative to The Message from Deep Space — playable solo, no multiplayer required. Shares Indie with The Message from Deep Space.
Machinika: Atlas is an indie puzzle game and is the direct sequel to Machinika: Museum, you play as a museum researcher who just land on Atlas. Will you unravel the mysteries of the alien vessel? Solve cryptic puzzles to find out what happened!
- 5

Between Horizons – A Sci-Fi Detective Adventure
Single-player alternative to The Message from Deep Space — playable solo, no multiplayer required. Shares Indie with The Message from Deep Space.
Between Horizons is a narrative 2.5D sci-fi detective adventure. 33 years into the Zephyr's journey, its mission is suddenly jeopardized. Can you find the culprit before it's too late? Experience an enthralling story set in a semi-open world that branches and ends based on your choices.
- 6

Citizen Sleeper 2: Starward Vector
Single-player alternative to The Message from Deep Space — playable solo, no multiplayer required. Shares Indie with The Message from Deep Space.
A dice-driven RPG, in a human and heartfelt sci-fi world. You are an escaped android, with a malfunctioning body, a price on your head and no memory of your past. Get a ship, find a crew, and take on contracts while you navigate across the Starward Belt.
- 7

Lost Wiki: Kozlovka
Single-player alternative to The Message from Deep Space — playable solo, no multiplayer required. Shares Indie with The Message from Deep Space.
Explore a wikipedia-like database and solve a small town mystery in Eastern Europe. Step into the shoes of a journalist in the 90s as you sprawl through articles and uncover the secrets that have been laid in front of you.
- 8
![Event[0] — Steam game cover](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/470260/header.jpg?t=1774622671)
Event[0]
Single-player alternative to The Message from Deep Space — playable solo, no multiplayer required. Shares Indie with The Message from Deep Space.
Event[0] is a sci-fi narrative exploration game where you build a relationship with a lonely spaceship computer to get home to Earth.