Single-player games like UNDERTOW
Below are 8 single-player Steam games similar to UNDERTOW, 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 UNDERTOW page.
Ranked picks
- 1

Data Runner
Single-player alternative to UNDERTOW — playable solo, no multiplayer required. Shares Indie and Casual with UNDERTOW.
An 18+ visual novel about a data courier betrayed by her own people — and about a megacity's underground, where the only shelter she finds is a man with more reasons to protect her than it first seems.
- 2

Hentai Academy: Sweetheart
Single-player alternative to UNDERTOW — playable solo, no multiplayer required. Shares Indie and Casual with UNDERTOW.
An 18+ visual novel about a magic that awakens more than just your gift: a quiet island, an ancient academy, students falling in love with someone no one else can see, and two witches, with either of whom it could have worked out. If you dare.
- 3

Hentai Academy: Echo Protocol
Single-player alternative to UNDERTOW — playable solo, no multiplayer required. Shares Indie and Casual with UNDERTOW.
A dark 18+ visual novel about a war that began fifty years ago — and the people who believe it's over. A ruined city, humanity's last refuge, and a voice beneath the earth that has started speaking again.
- 4

Hentai Academy: The Professor's Secret
Single-player alternative to UNDERTOW — playable solo, no multiplayer required. Shares Indie and Casual with UNDERTOW.
An 18+ visual novel about your final year of college: a quiet town by the ocean, autumn in New England, a thesis manuscript that refuses to be written, and three women — with each of them, things could work out. If you dare.
- 5

Highway Blossoms
Single-player alternative to UNDERTOW — playable solo, no multiplayer required. Shares Indie and Casual with UNDERTOW.
A yuri visual novel about Amber, a girl who's trying her best to be alone on the road, until she stumbles upon a young hitchhiker and the journal of a prospector from long ago. Fully voiced in English.
- 6

Fate and Life: The Mystery of Vaulinhorn
Single-player alternative to UNDERTOW — playable solo, no multiplayer required. Shares Indie and Casual with UNDERTOW.
Fate and Life: The Mystery of Vaulinhorn is a visual novel game set in an enigmatic city rife with mystery and lust. Navigate the intertwining paths of fate and desire, unearth the haunting secrets of Vaulinhorn, and revel in the thrill of its sensual encounters.
- 7

Heart of the Woods
Single-player alternative to UNDERTOW — playable solo, no multiplayer required. Shares Indie and Casual with UNDERTOW.
A fantasy yuri visual novel filled with magic, fairies, and a ghost girl. When Maddie and her best friend, Tara, journey to a remote forest village to investigate rumors of the supernatural, they find a whole lot more than they bargained for.
- 8

Amairo Chocolate
Single-player alternative to UNDERTOW — playable solo, no multiplayer required. Shares Indie with UNDERTOW.
Autumn. With the leaves just starting to change color, a boy arrives at Yunagi Village. The first person he meets is a girl handing out flyers -- a cute, cat-eared waitress.