Single-player games like The Hidden and Unknown
Below are 8 single-player Steam games similar to The Hidden and Unknown, 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 Hidden and Unknown page.
Ranked picks
- 1
OneOne
Single-player alternative to The Hidden and Unknown — playable solo, no multiplayer required. Shares Indie and Adventure with The Hidden and Unknown.
一段探寻人类智能本质的逃亡之旅，基于现实世界观下的非幻想题材。在突如其来的变故下，一对父子踏上未知的旅途，颠沛于梦境与梦境的交界线，流离于自然智能与人造智能的变革浪潮之中。这场逃亡送给AI时代每一个勇敢活着的灵魂...
- 2
Last Days
Single-player alternative to The Hidden and Unknown — playable solo, no multiplayer required. Shares Indie and Casual with The Hidden and Unknown.
The gods have blessed New Canaan for four hundred years, and everyone - including Sister Ginsetsu - thought it would go on forever, until the day Ginsetsu met the gods of New Canaan. Since then, the story between the maiden who calls herself a god, and the maiden who will become a god has begun.
- 3
Sayonara Electric
Single-player alternative to The Hidden and Unknown — playable solo, no multiplayer required. Shares Indie and Adventure with The Hidden and Unknown.
This is an Interactive Adventure and Visual Novel Game depicting life on a lunar base. All texts are performed by Japanese Voice Actors. On a wall-mounted electronic calendar"IMPORTANT!" is flickering. (what's my plan today?) "Today is Christmas Eve." The date shown on the calendar is December 24.
- 4
The Simplest Game in the World
Single-player alternative to The Hidden and Unknown — playable solo, no multiplayer required. Shares Indie and Adventure with The Hidden and Unknown.
You can beat this game with any key on your keyboard. ANY key, I mean it.
- 5
The Leak
Single-player alternative to The Hidden and Unknown — playable solo, no multiplayer required. Shares Indie and Adventure with The Hidden and Unknown.
Wake up, watch tv, make a cup of cofffee and try to bear your own meaningless existence.
- 6
CITADEL
Single-player alternative to The Hidden and Unknown — playable solo, no multiplayer required. Shares Indie and Adventure with The Hidden and Unknown.
Awake from your slumber and venture out to the mighty CITADEL.
- 7
Naked News
Single-player alternative to The Hidden and Unknown — playable solo, no multiplayer required. Shares Indie and Casual with The Hidden and Unknown.
Join in the fun with an unforgettable experience unlike any other! Naked News brings some hardcore, crass, dirty, vulgar, dark humour into an easily offended world, not pulling any punches and making fun of everything with this visual novel-style comic, Sitcom-esque episodic!
- 8
Gensokyo：Presumption of Guilt~Pansies Before Dawn
Single-player alternative to The Hidden and Unknown — playable solo, no multiplayer required. Shares Indie and Adventure with The Hidden and Unknown.
Explore the intertwined fates of humans and youkai in this interactive fiction. As an unwitting protagonist, enter the sealed realm of Gensokyo to investigate a series of bizarre murders. Unearth ancient secrets and witness a gripping saga hidden for millennia.