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Empires of the UndergrowthEventsOptional Beta Update - Lots of Fixes
News

Optional Beta Update - Lots of Fixes

Empires of the Undergrowth · published 24 Apr 2026, 20:47 UTC

All eventsPlayers around this dateRead on Steam

The latest round of fixes and changes bring us ever closer to getting this update out for everyone. This update includes some minor changes to save games - please let us know in the discussions or on the Discord if this causes any issues.

Note that the beta is currently only available on Windows.


The beta is available to all Windows users - If you would like to join the beta, the code is beachbrawlbeta. If you don’t know how to join a beta and would like to, follow the instructions below:

  1. Find Empires of the Undergrowth in your Steam library,

  2. Right-click on it and choose "Properties"

  3. Choose the "Game Versions & Betas" tab

  4. In the box titled "Private versions", enter beachbrawlbeta

  5. After the "Access code correct" information appears, make sure you've chosen "optionalbeta" from the "Select the beta you would like to opt into" drop-down menu

  6. Press close - the game will now update to the beta branch.


Changes

  • Added a gamepad glyph to the Real Final Experiment equipment icons to help controller users find the button to access the jelly upgrades for that level

  • Sound effect updates for the sand lizard

  • Larry

Fixes

Gameplay

  • Fixed ants having difficulty climbing the bullfrog & huge shore crab

  • Fixed termites not leaving their nest in Drive Them Back (custom game version)

  • Fixed colony termites not despawning if killed by environmental creatures

  • Fixed new uber creatures not appearing in custom game maps

  • Fixed incorrect spider spawns in 1.2 in Remix mode

  • Fixed creatures that are trying to despawn themselves getting stuck in nest exits

  • Fixed seemingly random huge shore crab deaths during tantrums

  • Fixed "Separation of Duties" achievement being triggered by enemy colonies

  • Fixed dead uber creatures despawning after 3 minutes rather than 10

  • Fixed over-aggressive spawn rates for demo level Surrounded on higher difficulties

User interface

  • Fixed UI panel issues in the Hungry Spider levels

  • Fixed a softlock caused by the Inspect tool in Hungry Spider levels

  • Fixed pheromone key binds activating on button release rather than press

  • Fixed issues with victory screens on controllers

  • Fixed unit icons sometimes being doubled up on themselves in the build panel

  • Fixed minor improvements being purchasable during gateway missions

  • Fixed autothysis toggle re-enabling itself on reloading a saved game

  • Fixed driver ant workers missing the worker icon

  • Fixed sand lizards in skirmishes missing a huge creature health bar

  • Fixed cursor not appearing if a controller is unplugged

  • Fixed space bar key bindings not being saved correctly

  • Fixed an issue with the difficulty customisation menu in custom games

  • Fixed custom game save numbering not advancing

  • Improved menu spacing for several localisations

Graphical

  • Attempted fix for the scientist hand staying visible after the third gateway mission

    • This has been a tricky one to reproduce - please let us know if it's still causing problems

  • Fixed termite mound visual issues in Drive Them Back (custom game version)

  • Fixed ranged wood ants still using the worker textures

  • Fixed leafcutter plants reverting to older models on load in custom games

  • Fixed black ant soldiers and workers being the same size at level 1

  • Fixed eastern newt swimming animations causing issues

  • Fixed swimming newts turning invisible

  • Fixed some animation wobbles with the eastern newt walking cycle

  • Fixed decorative whip spider in demo level The Crucible being the wrong size

  • Fixed uber whip spider using older textures

Other

  • Fixed a crash caused by plugging in a controller while the game is running

More from Empires of the Undergrowth

Other announcements

All events
Community6 Sep 2026VLOG 20 - Freeplay Setup Saves, Modding (?!), Beta NewsFor the landmark 20th episode of the Empires of the Undergrowth vlog, we go over the changes that are coming to freeplay setup saving - including fun ways that saves can be edited for a bunch of different effects! We also discuss the burgeoning modding scene that is starting to appear for the game, much to our surprise! Finally, we go over what is coming in the soon-to-arrive beta, and also a l…Sale22 Aug 2026Save 70% on Empires of the UndergrowthEmpires of the Undergrowth is now 70% off during the Hooded Horse August Publisher Sale ! Command an ant colony and wage strategic battles in the insect kingdom. This ant-based RTS challenges you to build, defend, and expand your colony, using unique pheromone-based strategies and powerful warrior ants to overcome formidable foes. Hooded Horse August Publisher SaleCommunity20 Jul 2026July 2026 Newsletter- Freeplay Setup Saves & Editing, New Artwork, Optional BetaAh, summer. A time for growth, frivolity…. and oppressive heat. It’s also a time for optional betas in Empires of the Undergrowth, so that’ll be the main topic of this July newsletter. I’d better finish writing it before my office gets unbearably warm. A bullet ant ambushes a jumping spider from Destiny_Bound on Discord We’ll be going over a perhaps unexpected feature that is coming along with…