Astrumis - Survive Together

Two-player spaceship horror with split roles and cooperative puzzles

Tyci · Released May 26, 2025

Reviews: Mostly Positive; 72% of 152
Recent reviews: Not enough recent
Playing now: 0; right now
Steam Deck: Playable
Last update: 11 months ago; Oct 9, 2025

Free demo available, 1 playing it now: get the demo.

What is Astrumis - Survive Together?

A two-player co-op horror game set aboard an abandoned spaceship, where a survivor and mission control try to stay alive despite an invisible monster. One player explores the ship while the other uses security cameras to track the monster and guide them. Both must work together to solve puzzles and minigames.

For you if...

+you like coordinating different roles with another player
+you enjoy horror built around evasion and shared puzzles

Not for you if...

−you want to play on your own
−you want both players to explore the ship directly

What players say

72% of 152 reviews are positive

Players praise the fun of navigating the ship with a friend, though some find the gameplay too simple and the monster encounters lacking tension.

Screenshots and trailer

Astrumis - Survive Together system requirements

As published by the developer.

Minimum

OS: Requires a 64-bit processor and operating system
Processor: Intel Core i5-1135G7
Graphics: NVIDIA GTX 750 Ti
Memory: 4 GB RAM
Storage: 5 GB available space
DirectX: Version 11

PC version details

DRM, required accounts, controller support and Steam features.

DRM: None declared on Steam
Controller: Full controller support
Platforms: Windows
Achievements: 30
Steam features: Cloud saves, Family Sharing

Steam Deck: Playable

Default controller config not fully functional
Some in-game text is small and may be hard to read
Default configuration is not performant
Shows Steam Deck controller icons
External controllers are not supported for the primary player

Multiplayer and co-op

Languages

Full audio: English. Text only: Polish, French, Italian, German, Spanish - Spain, Russian, Portuguese - Brazil, Portuguese - Portugal, Japanese, Korean, Simplified Chinese.