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Entropy : Zero 2News1.5.5 update is live
In-game event

1.5.5 update is live

Entropy : Zero 2 · published 27 May 2023, 17:18 UTC

All newsPlayers around this dateRead on Steam

Entropy : Zero 2 Version 1.5.5


Overwatch is requesting all units refresh and resolve. Update is live. Acceptance is mandatory.

Version 1.5.5 is going live on the default branch of Entropy : Zero 2 today. This version will include Linux support, Steam Input and the new Gamepad UI. You can find the full changelog below.

If you encounter any issues with version 1.5.5 that were not present previously, please let us know on the Steam forums! For other issues, you can find our troubleshooting guide here:
https://steamcommunity.com/sharedfiles/filedetails/?id=2857173498

Changelog

1.4

  • EZ2 runs natively on Linux
  • Steam Input is used for controller support
  • EZ2 runs on Steam Deck

1.5

  • EZ2 uses new Gamepad UI
  • Glownome's chest projectiles now properly appear as blue

Gamepad UI

Release 1.5 adds a new menu interface called Gamepad UI. This is the same UI which was added to Half-Life 2 and Portal to support the Steam Deck. Its source code was published on GitHub, so we've decided to integrate it into Entropy : Zero 2 alongside the other Steam Deck-related changes added in release-1.4.

Gamepad UI was mostly designed to be used for the Steam Deck alone, but since it has several major advantages over the default UI, we adjusted it so that it can be the universal menu replacement for all users.

Troubleshooting

When loading your saves, you may see a warning which looks like this:

This is only a warning, it does not necessarily mean there is any problem with your save file. Since version information is only saved in Release 1.5 onwards, all previous saves will give this warning.

Press "Ok" to load the game normally. You should be able to continue your game. If you run into any issues, please consult the troubleshooting guide.

How to disable Gamepad UI

If you need to use the default menu again, you can currently do so by going into the game's properties and typing "-nogamepadui" in the game's launch options.

How to play E:Z2 with a controller using Steam Input

If you have a Steam-compatible controller plugged into your PC, you should be able to launch Entropy : Zero 2, navigate the menu, and play the game natively.

Note that the Options menu may require you to use your controller's right stick and right trigger (depending on your controller and config) to simulate mouse input.

You also cannot skip the intro videos with a controller.

Troubleshooting

For any issues you encounter, make sure you're using the correct controller configuration. You can find your controller configuration properties in the Steam Overlay, or through a distinctive gamepad button when you have the game selected in your Steam library.

If this does not resolve your issue, please let us know.

How to play E:Z2 with a Steam Deck/on Linux

If you are using a Steam Deck/Linux machine, you should be able to launch Entropy : Zero 2 with the Steam Linux Runtime by default. Make sure Steam isn't configured to launch the game with a specific compatibility tool (e.g. Proton).

Troubleshooting

If you encounter an issue while playing the game on a Steam Deck/Linux machine, make sure E:Z2 is not set to be launched with a specific compatibility tool in the game's properties. If you need to confirm this in-game, you can easily identify whether you are playing Entropy : Zero 2 with Proton by looking at the game's italicized subtitles. Proton does not render these properly and each letter may appear cut off.

If you have verified that you are not using Proton and cannot resolve your issue, please let us know. You could also try switching to Proton and seeing if you can reproduce the issue with it.

Steam betas and versioning

If you are currently on the 1.5 public beta branch for testing, thank you! You may wish to set your branch back to default. You can read more about betas and versioning in this Steam guide.

https://steamcommunity.com/sharedfiles/filedetails/?id=2861987007

More from Entropy : Zero 2

Other announcements

All news
In-game event31 Mar 2026Release 2.0.2 published to beta branch for testingWe have pushed an updated build of Entropy : Zero 2 to a new release branch for testing. (Release-2.0) The 2.0 release carries a higher risk of breaking saves. While this release is not published to the default branch yet, please be advised that we may push other save-breaking changes in subsequent updates on the upcoming branch so that any potentially broken saves are confined to the next publ…In-game event24 Dec 20251.10.5 update is liveEntropy : Zero 2 Version 1.10.5 Overwatch is requesting all units refresh and resolve. Update is live. Acceptance is mandatory. Version 1.10.5 is going live on the default branch of Entropy : Zero 2 today. Merry Christmas and Happy Holidays! 1.10.5 is bringing you all a little gift in the form of Operation Xmas, a new bonus map accessible from the Bonus Maps menu. This update has been delayed b…Game update19 Dec 2025Release 1.10.1 published to beta branch for testingWe have pushed an updated build of Entropy : Zero 2 to a new release branch for testing. (Release-1.10) 1.10.1 is a small update focused on releasing a bonus map called Operation Xmas and some code changes. Changelog Map / Script Changes · Merge HUD Improvements addon · The new Xen grenade ammo icon was not merged. This will be addressed in a future update. · Increased the delay after Wilson re…