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
Hadal Line
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.
事故で孤立した深海施設。頼れるのは通信室のチャット画面だけ——応答できる生存者は3人。返事を待たずに流れていく。夜ごとに決めるのは、限られた電力をどの区画に回すか。届く言葉は少しずつ記録と食い違う。矛盾を証拠に変えるテキストアドベンチャー。
- 2
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.
- 3
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.
- 4
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.
- 5
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.
- 6
_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...
- 7
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.
- 8
Stories Untold
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.
Stories Untold is a compilation tape of four experimental adventures, including a remaster of the original hit episode “The House Abandon”.
- 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!