Single-player games like 21号空间站
Below are 8 single-player Steam games similar to 21号空间站, 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 21号空间站 page.
Ranked picks
- 1
Beware of the Cartographer!
Single-player alternative to 21号空间站 — playable solo, no multiplayer required. Shares Indie and Adventure with 21号空间站.
Map a mysterious land during the Age of Enlightenment. Draw the border between two warring kingdoms. Meet the locals. Juggle their demands with the requirements of your mission. Ethical dilemmas, secret plots, strange phenomena… will you be able to bring peace back to the land?
- 2
Clue: Murder By Death
Single-player alternative to 21号空间站 — playable solo, no multiplayer required. Shares Indie and Adventure with 21号空间站.
A story-rich detective mystery set in 1930s England. Investigate a murder inside a sprawling manor, interrogate suspicious residents, and make meaningful choices to uncover the truth — before Scotland Yard arrives.
- 3
Locus Equation
Single-player alternative to 21号空间站 — playable solo, no multiplayer required. Shares Indie and Adventure with 21号空间站.
You are an anthropod, a synthetically crafted life form. Your objective is to save the ones who are stuck on an uninhabited planet. Persuade, charm, manipulate: use your ultimate power—freedom of choice—in sci-fi role playing hyper variative game LOCUS EQUATION.
- 4
Kamilia
Single-player alternative to 21号空间站 — playable solo, no multiplayer required. Shares Indie and Adventure with 21号空间站.
Kamilia is a story-driven, choices-matter detective mystery. Follow a talented painter who finds himself wrapped up in an unsolved case, as he tries to unveil a hidden truth that has been buried for years.
- 5
検索探偵パテ太郎
Single-player alternative to 21号空间站 — playable solo, no multiplayer required. Shares Adventure with 21号空间站.
Search Detective Patetaro is a free mystery adventure set in a shopping street in 2050. Trace patents, designs, and trademarks with young detective Patetaro, compare testimony and clues, and eliminate impossible answers one by one. All 5 episodes free. Your search query becomes your deduction.
- 6
Pixel Detective: Curse of the Paintings
Single-player alternative to 21号空间站 — playable solo, no multiplayer required. Shares Indie and Adventure with 21号空间站.
A short pixel-art mystery where you play as Nathan, a private investigator drawn into a curious case. Interrogate suspects, examine clues, and uncover hidden details
- 7
My Death as a Duchess
Single-player alternative to 21号空间站 — playable solo, no multiplayer required. Shares Indie with 21号空间站.
My Death as a Duchess is a survival game where the player embodies a duchess taking control of a cursed duchy. This game combines both narrative intrigue and strategy, alternating phases of managing the duchess's schedule and the unfolding of her day in the form of a graphic novel.
- 8
NoOneKnowsME.
Single-player alternative to 21号空间站 — playable solo, no multiplayer required. Shares Adventure with 21号空间站.
You are an impostor inhabiting the body of a dead crew member. Blend in and live out your days on the ship without raising suspicion. Complete seven daily tasks, even as a strange atmosphere begins to take hold. Can you survive all seven days without being exposed?