Single-player games like Zarya-1: Mystery on the Moon
Below are 9 single-player Steam games similar to Zarya-1: Mystery on the Moon, 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 Zarya-1: Mystery on the Moon page.
Ranked picks
- 1
異界ノ宿帳
Single-player alternative to Zarya-1: Mystery on the Moon — playable solo, no multiplayer required. Shares Indie and Adventure with Zarya-1: Mystery on the Moon.
忘れられたモノが流れ着く異界の温泉宿を舞台にした温泉ホラーシミュレーション。昼はケガレを抱えた付喪神たちをもてなし、夜は宿に溢れたケガレが引き起こす怪奇から生き延びる。あなたの選択が、客の癒しと宿の運命を変えていく。
- 2
XenoFeels
Single-player alternative to Zarya-1: Mystery on the Moon — playable solo, no multiplayer required. Shares Indie and Adventure with Zarya-1: Mystery on the Moon.
A space customs simulator. Every day, spaceships from different galaxies fly past your tiny asteroid. Tourists, truckers, travelers... Bad news: There are terrorists among them. If you miss even one, your home planet will explode. Good news: You carry a shotgun!
- 3
The Swapper
Single-player alternative to Zarya-1: Mystery on the Moon — playable solo, no multiplayer required. Shares Indie and Adventure with Zarya-1: Mystery on the Moon.
What if someone knew your mind better than you did? The Swapper is an award-winning, narrative driven puzzle game set in the furthest reaches of space.
- 4
Citizen Sleeper
Single-player alternative to Zarya-1: Mystery on the Moon — playable solo, no multiplayer required. Shares Indie and Adventure with Zarya-1: Mystery on the Moon.
Roleplaying in the ruins of interplanetary capitalism. Live the life of an escaped worker, washed-up on a lawless station at the edge of an interstellar society. Inspired by the flexibility and freedom of TTRPGs, explore the station, choose your friends, escape your past and change your future.
- 5
Alien: Isolation
Single-player alternative to Zarya-1: Mystery on the Moon — playable solo, no multiplayer required.
Discover the true meaning of fear in Alien: Isolation, a survival horror set in an atmosphere of constant dread and mortal danger.
- 6
Observation
Single-player alternative to Zarya-1: Mystery on the Moon — playable solo, no multiplayer required. Shares Indie and Adventure with Zarya-1: Mystery on the Moon.
Observation is a sci-fi thriller uncovering what happened to Dr. Emma Fisher, and the crew of her mission, through the lens of the station’s artificial intelligence S.A.M.
- 7
_message:
Single-player alternative to Zarya-1: Mystery on the Moon — playable solo, no multiplayer required. Shares Indie and Adventure with Zarya-1: Mystery on the Moon.
_전언:(_message:)은 심리적 공포 요소가 포함된 텍스트 어드벤처 게임입니다. 달에 잔류하여 지구에 있는 본부와 통신을 하는 사이, 당신은 점점 이상한 낌새를 눈치채기 시작합니다...
- 8
ROUTINE
Single-player alternative to Zarya-1: Mystery on the Moon — playable solo, no multiplayer required. Shares Indie and Adventure with Zarya-1: Mystery on the Moon.
ROUTINE is a First Person Sci-Fi Horror set on an abandoned lunar base designed around an 80s vision of the future. Explore and investigate your surroundings as you survive against unknown threats.
- 9
Romance Club - Stories I Play
Single-player alternative to Zarya-1: Mystery on the Moon — playable solo, no multiplayer required. Shares Indie and Adventure with Zarya-1: Mystery on the Moon.
Immerse yourself in romantic visual stories where you control what happens!