Astrumis - Survive Together
Released May 2025
Astrumis - Survive Together is an exclusively co-op horror game. One player controls a survivor on an abandoned spaceship and the other the ship itself. They must work together to survive against the mysterious monster.
71% positive · 152 reviews
Done
All announced content has been released
High confidence
Done
All announced content has been released
High confidence
Where to buy
Steam $9.99
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Evaluation
Astrumis – Survive Together launched on May 26, 2025 as the solo developer's debut release. Following launch, the developer shipped a steady stream of free updates: difficulty customization (June 2025), controller support (August 2025), Halloween cosmetics (October 2025), and full Steam Deck support (December 2025). No new major content updates have followed after December 2025.
The most significant recent communication came on May 26, 2026 — the game's one-year anniversary — when the developer announced they are now actively working on a full sequel to Astrumis rather than continuing to expand the original game. The sequel announcement describes major changes based on player feedback (combat systems, multiple enemy types, improved AI), signaling that the developer's focus has moved forward to a new project.
There are no unreleased DLC packs, no announced upcoming updates for the base game, and no active content roadmap for this title. The original game shipped as a complete, self-contained experience and has received only maintenance and quality-of-life updates since its feature patches concluded in late 2025. The sequel announcement effectively confirms that the original game's development arc is complete.
Evidence
On the game's one-year anniversary, the developer announced active development of a sequel with major gameplay overhauls, signaling that creative focus has shifted away from the original game.
Astrumis – Survive Together officially launched on Steam as a complete co-op game after nearly three years of solo development.
Media
Details
Developer
Publisher
Tyci
Achievements
30
Platform
Windows
Controller
full support
Steam Deck
Playable
Players
Multiplayer · Co-op
About this game
Astrumis - Survive Together is an exclusively co-op horror game designed for two players. One player controls a survivor on an abandoned spaceship and the other the ship itself. They must work together to navigate the ship, solve puzzles & minigames and survive against the mysterious monster.
Inspired by games like A Way Out and Keep Talking and Nobody Explodes - this project is made by a single developer in Unreal Engine 5, so please be patient, any updates will take time.
THE SURVIVOR
Play as the survivor - John Kowalski. Walk around the ship and come face to face with the invisible monster. Heed instructions from the other player on how to avoid it and stay alive.MISSION CONTROL
Play as mission control - Yang Sungbin. Even though the monster is invisible to the naked eye, security cameras can reveal his location. Take control of them to help the other player navigate the spaceship safely.COOP CHALLENGES
Solve a variety of cooperative minigames. None can be completed alone, each requires you to work together with the other player.Inspired by games like A Way Out and Keep Talking and Nobody Explodes - this project is made by a single developer in Unreal Engine 5, so please be patient, any updates will take time.
Are these done yet?
Last evaluated Jun 15, 2026
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