Single-player games like UFO
Below are 9 single-player Steam games similar to UFO, 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 UFO page.
Ranked picks
- 1

CaveFiction
Single-player alternative to UFO — playable solo, no multiplayer required. Shares Indie with UFO.
"Cave Fiction" is a self-developed "game" that is actually a monstrous creation born from the author's sad, arrogant, and foolish consciousness. Its name is derived from a classic metaphor in Plato's philosophy, making it a manic modern story within a classical narrative framework.
- 2

Hypnos
Single-player alternative to UFO — playable solo, no multiplayer required. Shares Indie with UFO.
Immerse yourself in a surreal world drawn with pastels on paper. Here, locked in a Case, the player meets the Key. Seeking a way out, he plunges into "What's In Me", where his decisions change what is happening, shifting him closer to or further from the mysterious Source.
- 3

Macro Data Refinement Simulator
Single-player alternative to UFO — playable solo, no multiplayer required. Shares Indie with UFO.
The game is a simulator of the Macro Data Refinement terminal - a mysterious console where you have to find the right numbers and collect them in groups of 9. The completing the game requires completing 100% refinement of data files. Can you do it?
- 4

Pachillinko
Single-player alternative to UFO — playable solo, no multiplayer required. Shares Indie with UFO.
Pachillinko is a mix of japanese Pachinko and western Plinko style game, set in neon synthwave design with some retro feeling of 80s. Relaxing mouse-only clicking gameplay allows you to sit back and just chill...
- 5

OneOne
Single-player alternative to UFO — playable solo, no multiplayer required. Shares Indie with UFO.
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...
- 6

After Meeting
Single-player alternative to UFO — playable solo, no multiplayer required. Shares Indie with UFO.
A man and a woman who live in the same apartment often meet each other when they take the elevator. How will the story develop when they have crashed on each other? This is a casual love decryption game, you need to find the rules. In the process of passing the game, you can discover the story.
- 7

新星辰变
Single-player alternative to UFO — playable solo, no multiplayer required. Shares Indie with UFO.
A text placement game with a cultivation theme, featuring 64 cultivation systems, 24 independent dungeons, multiple interactive modes, and various combat economy modes.
- 8

You know my name?
Single-player alternative to UFO — playable solo, no multiplayer required. Shares Indie with UFO.
A short visual novel about finding your name and a girl in the fog.
- 9

chest
Single-player alternative to UFO — playable solo, no multiplayer required. Shares Indie with UFO.
Afternoon, sunshine, pool, sound of flowing water, and... a dream? This is 'Chest'.