Steam
Emissary Zero
Also known as Emissary Zero, emissary zero, emissary-zero
Co-op horror (1-4 players). You are sent to explore a mysterious building at night. Find the Moon and try to return alive.
Last update
30 Jul 2026
Latest update
Update history
Browse past updates and patch notes for this game.
21 updates
May 2026
- Patch 1.3.2Fixed a bug where TV Head could get stuck under certain circumstances.
April 2026
- Patch 1.3.1Fixed incorrect animation when sitting.
March 2026
- Update 1.3 - Nightmare Difficulty modeToday marks one year since the game's release! Another difficulty mode has been added: Nightmare. The difficulty has been increased even further. There are no save points. Each terminal used to revive other players can…
February 2026
- Patch 1.2.10Fixed a bug where infected players weren't dealing damage. Added a setting to select the gamepad type for key mapping.
- Patch 1.2.9Removed collision from the small liquid creature. Added scaling of the displayed dialog when changing distance. Other minor changes and fixes.
- Patch 1.2.8Fixed the absence of black and white vegetation. A little change for the key icons for RB, LB, RT, LT.
January 2026
- Patch 1.2.7Fixed a crystial not upgrading.
- Patch 1.2.6(Following bugs are since 1.2.5) Fixed a bug preventing crystal upgrades. Fixed a bug with the radio and cat. Collision display has been fixed.
- Patch 1.2.5Fixed a bug where small liquid creature eyes were invisible (since 1.2.0). Fixed a bug where the elevator could throw the character out of bounds. Fixed a bug where the level could start unloading before the loading scr…
- Patch 1.2.4Fixed a bug where the wall on the third floor wouldn't break when a monster escaped the main building. Fixed incorrect reflections in some places on high settings. Other minor changes.
December 2025
- Patch 1.2.3Fixed a minor bug with levers in the Laboratory. The "Join a Multiplayer Game" menu has been slightly changed.
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