Emissary Zero
Released Mar 2025
Co-op horror (1-4 players). You are sent to explore a mysterious building at night. Find the Moon and try to return alive.
83% positive · 3,221 reviews
Not yet
Released, but still in active development
Medium confidence
Active Development
Not yet
Released, but still in active development
Medium confidence
Active Development
Where to buy
Steam $8.99
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Evaluation
Emissary Zero launched on March 28, 2025 and has received three major updates since then: Major Update 1.1 on July 24, 2025 (VR support and new content areas), Update 1.2 on December 17, 2025 (seamless multiplayer and various gameplay additions), and Update 1.3 on March 28, 2026 (a new Nightmare difficulty mode, released on the game's one-year anniversary). This establishes a consistent pattern of significant content updates roughly every 4-6 months. The developer has also maintained steady engagement through feature patches and bug fixes between major updates, with the most recent patch on May 15, 2026. Notably, the December 2025 update announced that a sequel, Emissary One, is already in development and has a live Steam page. While this could eventually draw development focus toward the sequel, the developer has continued updating Emissary Zero well after that announcement. No future content has been explicitly named or announced for Emissary Zero, but the sustained update cadence and continued developer activity indicate the game is still being actively developed.
Evidence
Update 1.3 added a new Nightmare difficulty mode on the game's one-year anniversary, along with various quality-of-life improvements.
Update 1.2 added seamless multiplayer and other gameplay features. Post also announced that a sequel (Emissary One) is already in development with a live Steam page.
Media
Details
Developer
Publisher
Rone Vine
Achievements
20
Platform
Windows
Controller
partial support
Steam Deck
Playable
Players
Single-player · Multiplayer · Co-op · Local/Split Screen
About this game
You are sent to explore a mysterious building at night. Only your manager will support you, the rest you have to do yourself. Find the Moon and try to return alive. Play single or with friends.
Various creepy monsters.
Play alone or with a company online (up to 4 people) or with splitscreen multiplayer (up to 2 people).
A large changing location with lots of exploration. Explore the area and complete tasks.
Manage resources: find, move, repair, connect, observe.
Communicate via voice chat in the game online.
The game is being developed by one person.
Last evaluated Jun 19, 2026
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