Single-player games like Monolith
Below are 17 single-player Steam games similar to Monolith, 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 Monolith page.
Ranked picks
- 1
Between Horizons – A Sci-Fi Detective Adventure
Single-player alternative to Monolith — playable solo, no multiplayer required. Shares Indie and Adventure with Monolith.
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.
- 2
The Invincible
Single-player alternative to Monolith — playable solo, no multiplayer required. Shares Indie and Adventure with Monolith.
Rethink human’s dominion in The Invincible: a story-driven adventure set in a hard sci-fi world by Stanisław Lem. Discover planet Regis III as scientist Yasna, use atompunk tools looking for a missing crew and face unforeseen threats. Make choices in a philosophical story that’s driven by science.
- 3
The Abandoned Planet
Single-player alternative to Monolith — playable solo, no multiplayer required. Shares Indie and Adventure with Monolith.
A throw-back, retro-inspired, point and click adventure with chunky and beautiful pixel art
- 4
Tacoma
Single-player alternative to Monolith — playable solo, no multiplayer required. Shares Indie and Adventure with Monolith.
Tacoma is a sci-fi narrative adventure from the creators of Gone Home. Set aboard a high-tech space station in the year 2088, explore every detail of how the station’s crew lived and worked, finding the clues that add up to a gripping story of trust, fear, and resolve in the face of disaster.
- 5
ENCODYA
Single-player alternative to Monolith — playable solo, no multiplayer required. Shares Adventure with Monolith.
Neo Berlin 2062. Tina – a nine-year-old orphan – lives with SAM-53 – her big clumsy robot guardian –in a rooftop makeshift shelter in Neo-Berlin, a dark megalopolis controlled by corporations.
- 6
Kathy Rain
Single-player alternative to Monolith — playable solo, no multiplayer required. Shares Indie and Adventure with Monolith.
Set in the '90s, Kathy Rain tells the story of a strong-willed journalism major who has to come to terms with her troubled past as she investigates the mysterious death of her recently deceased grandfather.
- 7
Citizen Sleeper 2: Starward Vector
Single-player alternative to Monolith — playable solo, no multiplayer required. Shares Indie and Adventure with Monolith.
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.
- 8
Fort Solis
Single-player alternative to Monolith — playable solo, no multiplayer required. Shares Adventure with Monolith.
Answer the call from a mining base on Mars as engineer Jack Leary and search for the missing crew. Fort Solis will immerse you with cinematic visuals powered by UE 5 and voice acting of Roger Clark and Troy Baker. Explore the mining complex and reach climax of this narrative thriller experience.
- 9
The Longest Journey
Single-player alternative to Monolith — playable solo, no multiplayer required. Shares Adventure with Monolith.
The Longest Journey is an amazing graphical adventure, where the player controls the protagonist, April Ryan, on her journey between parallel universes.
- 10
The Dig®
Single-player alternative to Monolith — playable solo, no multiplayer required. Shares Adventure with Monolith.
An asteroid the size of a small moon is on a crash course toward Earth. Once the wayward asteroid is nuked into a safe orbit, a trio conducts a routine examination of the rocky surface. What they uncover is anything but routine.
- 11
Sanatorium - A Mental Asylum Simulator
Single-player alternative to Monolith — playable solo, no multiplayer required. Shares Indie and Adventure with Monolith.
The year is 1923—step inside Castle Woods Sanatorium, where care and cruelty blur together. Disguised as a doctor, you’ll diagnose and treat patients using a deck of symptoms, tests, and outdated therapies. But tread carefully: one wrong move could expose you as an impostor.
- 12
Lost Horizon
Single-player alternative to Monolith — playable solo, no multiplayer required. Shares Adventure with Monolith.
1936: Soldiers of the Third Reich roam the world seeking occult weapons for their insane plans of conquest. When Fenton Paddock, a former British soldier and hapless smuggler, is asked to look for his friend Richard, who went missing in Tibet, he has no idea that this search will lead him across three continents to a secret that could...
- 13
Secret Files: Tunguska
Single-player alternative to Monolith — playable solo, no multiplayer required. Shares Adventure with Monolith.
Unravel one of the greatest mysteries of our time! On the 30th June 1908 an explosion with the combined energy of 2000 Hiroshima bombs rocked the region of Tunguska in Central Siberia and felled over 6,000 square km of trees. The explosion could be heard from as far as 1,000km away.
- 14
Secret Files 2: Puritas Cordis
Single-player alternative to Monolith — playable solo, no multiplayer required. Shares Adventure with Monolith.
The sequel to the award winning adventure hit Secret Files Tunguska. Famine in Africa, floods in Southeast Asia, economic crisis in Europe, and civil wars in South America, the world is on the brink of disaster.
- 15
Secret Files: Sam Peters
Single-player alternative to Monolith — playable solo, no multiplayer required. Shares Adventure with Monolith.
Bigfoot, the Abominable Snowman, the Loch Ness Monster - cryptozoologists are trying to track these creatures down and research them. One also appears in the legends of the Ashanti people in Ghana. These tell of human-like creatures that lurk in the trees at night and take their victims off to their caves to suck their blood: the...
- 16
Secret Files 3
Single-player alternative to Monolith — playable solo, no multiplayer required. Shares Adventure with Monolith.
The bestselling Secret Files franchise celebrates its return! The dream couple Max and Nina have announced their forthcoming wedding.
- 17
Preston Sterling
Single-player alternative to Monolith — playable solo, no multiplayer required. Shares Indie and Adventure with Monolith.
Preston Sterling and the Legend of Excalibur is the first episode of an adventure series that will transport you into the world of English myths and legends. Tackle tricky puzzles and enjoy an exciting story, lovable characters and stunning scenes and locations!