Single-player games like OU
Below are 14 single-player Steam games similar to OU, 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 OU page.
Ranked picks
- 1
AN IOU
Single-player alternative to OU — playable solo, no multiplayer required. Shares Adventure with OU.
AN IOU is the debut visual novel by Davey Cadaver. The music, backgrounds, & characters work together to create a world that is the stage of a novel for the user to read. The user takes the POV of the protagonist to experience a memorable story with an incredible soundtrack and multiple endings.
- 2
What Acts up
Single-player alternative to OU — playable solo, no multiplayer required. Shares Adventure with OU.
What Acts up is a psychological realism narrative adventure about social anxiety. Make choices, act under time pressure, and interact with shifting windows as Lin Mo’s fear and self-doubt invade the desktop. Some choices cannot be made, and some words simply refuse to come out.
- 3
Saraab: Beyond The Veil
Single-player alternative to OU — playable solo, no multiplayer required. Shares Adventure with OU.
A psychological horror visual novel about healing, where saving your brother means facing your own demons. Elham’s search pulls her through visions and entities rooted in Arabian folklore, and family secrets that should have stayed buried.
- 4
Buru and The Old People
Single-player alternative to OU — playable solo, no multiplayer required. Shares Adventure with OU.
A narrative adventure where you take on the role of Buru, a retired thief who agrees to one last job... Chat with quirky locals, encounter D&D inspired mini-games, and try to uncover the truth before it’s too late in this short story about the connection between the characters and the land.
- 5
MARK'S LIFE
Single-player alternative to OU — playable solo, no multiplayer required. Shares Adventure with OU.
This is the story of Mark's life...
- 6
The Dreamwalkers
Single-player alternative to OU — playable solo, no multiplayer required. Shares Adventure with OU.
Take control of Morgan's destiny as his world is turned upside down. Explore the world of Dreams, where mythological creatures and Nightmares are real. A story-heavy adventure game with multiple endings, romance options and a symphonic music! Inspired by Neil Gaiman and Inception.
- 7
Master Lemon: The Quest for Iceland
Single-player alternative to OU — playable solo, no multiplayer required. Shares Adventure with OU.
A tribute to a friend who has passed — and to the adventures we still need to live. A story-driven adventure about a young polyglot traversing mystical islands and using the power of words to confront his own fate and save a world tamed by darkness.
- 8
Return to Ash
Single-player alternative to OU — playable solo, no multiplayer required. Shares Adventure with OU.
“The hospital was empty. Quiet, and brighter than usual... like waking up on a snow day. But I didn't feel cold. I didn't feel much of anything.”
- 9
The Hokkaido Serial Murder Case The Okhotsk Disappearance ~Memories in Ice, Tearful Figurine~
Single-player alternative to OU — playable solo, no multiplayer required. Shares Adventure with OU.
The legendary Okhotsk Disappearance... is coming back.
- 10
Reverie in the Moonlight
Single-player alternative to OU — playable solo, no multiplayer required.
In Reverie in the Moonlight, scary monsters are chasing you, and you can’t fight them...but your plushies can. Can your adorable friends protect you from these nightmares?
- 11
Short Short Fictions
Single-player alternative to OU — playable solo, no multiplayer required. Shares Adventure with OU.
A short short mix tape of one story that connects three shorter stories. On the NewWave, a magical game console that is retro but new, enjoy DON'T SAY YES, TO:NORTH, and a secret tale nobody yet knows. Welcome to a slightly fantastical and nostalgic world of painful, toilful, and beautiful stories!
- 12
Itachi: Haunted Abodes Wandering Through 2000s Tokyo Culture
Single-player alternative to OU — playable solo, no multiplayer required. Shares Adventure with OU.
Itachi: Haunted Abodes is a paranormal suspense adventure that has you wandering through 2000s Tokyo's subculture scenes!
- 13
Green Light
Single-player alternative to OU — playable solo, no multiplayer required. Shares Adventure with OU.
A forgotten mining town. Peaceful by day, mysterious by night. Enter the dream and unravel the town’s secrets.
- 14
NEXT：THE PORTOPIA SERIAL MURDER CASE
Single-player alternative to OU — playable solo, no multiplayer required. Shares Adventure with OU.
The legendary "THE PORTOPIA SERIAL MURDER CASE" is reborn! Under the executive direction of Yuji Horii comes an all-new entry featuring five brand-new investigation files. Set in 1980s Kobe, conduct your investigation alongside a new cast of characters and uncover the secrets hidden behind the case.