Single-player games like Monolith
Below are 21 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
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.
- 2
Event-D
Single-player alternative to Monolith — playable solo, no multiplayer required. Shares Adventure with Monolith.
Sci-fi Visual Novel (Linear Story). A group of astronauts, scientists and robots is sent to space on a mission to investigate the disturbing disappearance of the first manned spaceship in its journey to Mars.
- 3
Warp Frontier
Single-player alternative to Monolith — playable solo, no multiplayer required. Shares Indie and Adventure with Monolith.
In the year 2215, orbiting humanity's newest extrasolar colony, Police Captain Vincent Cassini becomes embroiled in an intersystem conspiracy to bury crimes that occurred during the war that devastated his planet.
- 4
Artificial Nexus
Single-player alternative to Monolith — playable solo, no multiplayer required. Shares Indie and Adventure with Monolith.
Susan has woken up in a strange, coffin-like device, with no memory of who or where she is. Uncover the answers in this visual novel as you solve puzzles to escape in a stunning sci-fi mystery investigation!
- 5
Omega Warp
Single-player alternative to Monolith — playable solo, no multiplayer required. Shares Indie and Adventure with Monolith.
Omega Warp is a sci-fi themed action-adventure, which takes place aboard an interstellar freighter. Explore, upgrade your skills and equipment, and uncover the mysteries surrounding the freighter's loss of communication with the base of operations on Earth.
- 6
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.
- 7
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.
- 8
Detroit: Become Human
Single-player alternative to Monolith — playable solo, no multiplayer required. Shares Adventure with Monolith.
Detroit: Become Human puts the destiny of both mankind and androids in your hands, taking you to a near future where machines have become more intelligent than humans. Every choice you make affects the outcome of the game, with one of the most intricately branching narratives ever created.
- 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
DIG THE GROUND
Single-player alternative to Monolith — playable solo, no multiplayer required.
Dig the Ground is a unique Match3 puzzler in which you have to match gems of the same color and use all sorts of tools to clear the ground tiles beneath you.
- 12
Returnal™
Single-player alternative to Monolith — playable solo, no multiplayer required.
BREAK THE CYCLE Fight to survive as this award-winning third-person shooter brings Selene’s story to PC. Take on roguelike challenges. Engage enemies in bullet hell-fuelled clashes. Share your journey through Returnal™ with another player.
- 13
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.
- 14
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...
- 15
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.
- 16
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.
- 17
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...
- 18
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.
- 19
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!
- 20
Gabby's Odyssey
Single-player alternative to Monolith — playable solo, no multiplayer required. Shares Adventure with Monolith.
Embark on a journey through the fantastical world of Larion in this action-adventure inspired by timeless classics of the genre. Solve clever puzzles, overcome perilous dungeons, and unlock new abilities — while discovering that imagination is not a weakness, but a force that can change everything.
- 21
Secret Files: Tunguska - Remastered
Single-player alternative to Monolith — playable solo, no multiplayer required. Shares Adventure with Monolith.
The award-winning adventure classic returns as a remaster with modernized visuals and updated technology. Join Nina and Max on a globe-spanning investigation filled with puzzles, conspiracies, and danger – and uncover the secret of Tunguska that changes everything!