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Ammo and OxygenNewsAmmo and Oxygen has been released! Update 1.0
Major update

Ammo and Oxygen has been released! Update 1.0

Ammo and Oxygen · published 6 Sep 2025, 14:57 UTC · build 19869436

All newsPlayers around this dateRead on Steam

Thanks to you, we have come this far, and Ammo and Oxygen have been released!

Get the game for a 20% discount until September 14th on Steam:  

Thank you for your support, feedback, and comments! We are very excited and dedicated to making the game better with each update.

Changelog for Version 1.0

Changes and Improvements:

- Added the final level and story slides.

- Reduced the difficulty of the swamps, bunker, and medical laboratory.

- Increased the chances of finding shops and secret rooms in levels.

- Added a tutorial hint about the Fear effect and a hint regarding destructible objects.

- In cooperative mode, the icons for other active interactions are no longer hidden, as multiple players can interact with them simultaneously.

- Now, with the Delivery Service powerup, there will always be loot in the boxes.

- Now, when the ammo store is empty, a large icon indicating the absence of ammo will also be displayed in the current weapon section.

- Added black-yellow stripes and green arrows to improve the visibility of certain obstacles and passages.

- Updated and enhanced the sound effects for monsters and the interface windows.

- Improved the display of shields on monsters with the corresponding ability.

- Enhanced the shop interface for better clarity.

- Improved loading screen animations.

- Enhanced the biomass graphics on the reactor level floor.

- Improved optimization and stability of the game.

Fixes:

- Fixed bugs causing rare spawns to not appear in most underground levels.

- Fixed a bug preventing the new achievement for spending credits from functioning.

- Fixed a bug where keybindings were not saving in the game.

- Fixed a bug that caused training models in the shooting range to disappear.

- Fixed some passages and doorways where large monsters could become stuck.

- Fixed a bug where liquids were not appearing on certain floor surfaces.

- Fixed a bug where the icon for absence of ammo did not disappear when picking up ammo.

- Fixed a bug that caused a micro-pause during monster explosions.

- Fixed a bug in cooperative mode where the night could be skipped with dead players, as well as a bug where oxygen was only deducted from one player.

- Fixed a bug in cooperative gameplay where flashlights for other players did not turn off when changing levels, often leading to unnecessary battery drain during the day.

- Fixed a bug where the attracting monster would try to pull the wrong player in cooperative mode.

- Fixed a bug where the mini-boss of the small monster did not differ significantly from the regular version.

- Fixed issues related to objects and monsters having sounds that were too quiet or missing entirely.

- Fixed some bugs related to overlapping rooms.

- Fixed a bug where the stun radius for monsters in close combat was too large.

- Fixed a bug where the percent symbol was not displayed in the French version of the game.

- Fixed music transition issues.

- Fixed minor visual and collider bugs.

More from Ammo and Oxygen

Other announcements

All news
Major update21 Oct 2025Major Update 1.3 Ghosts, New Power-Ups, Burrows and SecretsThank you for your support, suggestions and feedback! We’re very motivated and committed to making the game better with every update. Changelog 1.3 Improvements and fixes: - Added a ghost enemy that appears primarily on underground stations and on the surface at night. The ghost cannot be killed; it will chase a target for a short time, slowing your movement, then vanish. - The Medical Laborato…Community16 Oct 2025Steam Deck Compatibility ReviewThe Steam team has thoroughly tested Ammo and Oxygen for Steam Deck compatibility, and it plays great! Just a couple of minor things left to fix before we get the green checkmark: - The scale of the main menu and story notes is slightly small, but still comfortable to read. - If you connect an additional gamepad after the game has already started, control currently switches to it. We’re also wo…In-game event18 Sep 2025Update 1.2 New Power-Ups, Rooms, and Improvements to SecretsThank you for your support, feedback, and comments! We are very excited and dedicated to making the game better with each update. Changelog 1.2 Improvements and fixes: - Added 6 new power-ups; one is available from the start, the others unlock under various conditions. - Starting rooms in underground stations and open areas now have additional variations. - Improved weapon firing visual effects…